"culpa in contrahendo" in civil law system started in the transition from freedom capitalism to monopoly capitalism.

after the patent is invalid, the patentee obtained the patent licensing fees or transfer fee are unfair, and patent license contract or transfer contract can be used as revocable contract processing.

专利权人获得的专利许可费或者转让费，在专利无效后专利许可合同或者转让合同显失公平的，可作为可撤销合同处理。

but if it is only harmful to one party, it is an avoidance of contract.

但如果仅损害一方当事人的利益，则应属于可撤销的合同。

it points out that to clarify contract is the basis of processing the contract problems and analyzes exhaustively the special principles and methods of contract processing during reorganization, especially researches into the methods of processing the executory contracts and voidable contracts.

指出了合同清理是处理合同问题的基础，详尽分析了重整过程中处理合同问题的特殊原则和方法，其中着重探究了待履行合同和可撤销合同的处理方法。

the first part of the chapter is the main content of contract law on the right to revoke the rights of competing with other issues, the focus in order to revoke the right to revoke the contract for the comparison.

该章第一部分的主要内容是合同法上的撤销权与其他类似权利的比较分析，重点以可撤销合同撤销权为比较对象。

researching on the contract law regarding contract force shall study respectively effective contracts, ineffective contracts, revocable contracts, and contracts the force of which are to be decided, and so on.

研究合同法关于合同的效力，应当分别研究生效合同、无效合同，可撤销合同和效力未定合同效力等。

unless a statute provides otherwise, a natural person has the capacity to incur only voidable contractual duties until the beginning of the day before the person's eighteenth birthday.

除非制定法另有规定，自然人年龄尚未到达18岁生日的前一天开始时刻的，只具有产生可撤销合同义务的行为能力。

can cancel contract system to follow our country social economic development model constant to change and produce, it is the economic base that determines the superstructural result.

可撤销合同制度是伴随着我国社会经济发展模式的不断变化而产生的，是经济基础决定上层建筑的结果。

it used the definition of cancelable and invalid contract in the contract law, also that of other countries as references.

该部分借鉴了合同法关于可撤销合同以及无效合同的规定，并考察了世界各国关于无效劳动合同的规定。

at common law contracts made with a minor that are not valid will be voidable or void.

按照普通法，未成年人签订的合同除有效合同外就是可撤销合同或无效合同。

a brief analysis of the effect of voidable contract in scheduled period

简析除斥期间可撤销合同的效力

voidable contract, in scheduled period, is not a valid contract, nor are prospect valid contract and voidable contract but a relatively valid contract with incomplete validity.

可撤销合同在除斥期间，既非有效合同，亦非效力待定合同，更不是无效合同，而是一种相对有效的效力不完全的另类合同。

some scholars argue that it is a defy towards the conventional theory to establish right to defense of advance or follow-up performance and the system of anticipatory breach of contract.

有学者认为，除此之外，还同时设立了后履行抗辩权和预期违约制度，这是对传统理论的挑战。

the right of concurrent performing counterargument, is one of important part in the tradition civil law of the continental law. this system is very important to safeguard business transactions, balance the interests between the parties, promote trade.

同时履行抗辩权制度是大陆法系传统民法上的一项重要制度，它对于保障交易安全，平衡当事人之间的利益，促进交易的进行都有着十分重要的意义。

chapter i dwells on the concept, the history, the characteristics of possessory lien in civil law, and the difference between the possessory lien and the plea of simultaneous performance, the mortgage, and the pawn.

第一章简单阐述了民法上留置权概念，留置权的历史渊源以及特征，留置权与同时履行抗辩权、抵押权、质权的区别。

to reconcile this tension, the author conducts the analysis from different perspectives to find the connections between the two and integrate the defense right of simultaneous performance into existing theoretical systems.

为了调和此种张力，笔者从不同视角进行分析，寻求二者的关联点以图将同时履行抗辩权纳入既有的理论体系。

specifically, it is divided into the relationship between the defense right of simultaneous performance and breach obstacles and the relationship between the defense right of simultaneous performance and non-breach obstacles.

具体分为同时履行抗辩权与违约障碍之间的关系和同时履行抗辩权与非违约障碍之间的关系。

as to the right of defense of concurrent performance in the situation of incomplete performance, there is much flexibility in the contract law of china.

针对不完全履行场合的同时履行抗辩权，《合同法》表现出相当的灵活性。

in practice, proper application and exercise of the right to plea is essential to maintaining order of transaction and ensuring transaction security.

在实践中如何正确适用同时履行抗辩权，对于维护交易秩序、保障交易安全，有着至关重要的意义。本文对同时履行抗辩权的构成条件、效力及适用范围进行了探讨。

( 4) while fulfilling the expansion of the right of defense is applicable.

第四：同时履行抗辩权的扩张适用。

bajie, don't say like that. let's have a good rest and wait for elder brother.

沙僧:二师兄, 不要这么说, 好好休息一下,等待大师兄回来吧.