This is the only one

The only thing I can do is keep quiet and sit this one out.

我唯一能做的就是保持沉默，等待这件事结束。

Phoebe: See no-no, I made a batch and I froze it, and this is the only one left.

不是这样的，我做了一批然后冷冻了，这是剩下的唯一一个。

This is only one side of the matter.

这只是事情的一方面.

While there are other methods for making polymer rings and chains, this is the only one that solely makes rings.

当然还有其他合成多聚环状物和连状物的方法，这是唯一的一个独自合成环状物的方法。

If you're expecting a number, make sure your data is in number format& typically, that means only digits, and at least one digit ( you can check this using the regular expression^ [ 0-9]+$).

如果您期望输入的是一个数字，就确认数据是数字格式――比如，只是针对阿拉伯数字，并且是至少一位阿拉伯数字（您可以使用与正则表达式^[0-9]+$检查它）。

This type of auction is distinct from the English auction, in that bidders can only submit one bid each.

这种拍卖方式与英式拍卖的不同在于，每个买家只能出一次价。

This is only one aspect of the question.

这只是问题的一面.