private and confidential

My letter is, of course, strictly private and confidential.

当然，我的信纯属私人信件，务须保密。

The fact is, that most of our competitors also keep such information private and confidential. I sincerely hope that this does not inconvenience you in any way.

我真诚地希望这样不会对贵公司造成不便。如需本公司协助其他事宜，欢迎随时赐顾垂询。

The sources declined to be identified as the negotiations private and confidential. CIC declined to comment.

由于谈判涉及机密内容,因此消息人士拒绝透露身份.CIC拒绝对此发表评论.

We are always pleased to hear from a valued customer. I regret to say that we cannot agree to your request for technical information. As a matter of fact, our competitors also keep such information private and confidential.

我们总是很高兴收到重要客户的来信，贵方要求本公司提供技术援助，但鉴于同行向来视该资料为机密文件，本公司亦不便透露，请见谅。

Three outward-bound envelopes, all marked Private and Confidential , had come through the mailroom.

三封标明“密件亲启”的外寄信件送到了邮件收发室.

Three envelopes, all marked Private and Confidential , had come through the mailroom.

三封标有“密件亲启”的信件送到了邮件收发室.

Portfolio presentations will be in private meetings and confidential.

完整的项目陈述属于保密信息,仅在绝密会议中公开.