I am often asked at what point should we lock down the requirements and subject our users to formal change request procedures.

我经常会被问及我们应当在哪个时间点上回顾需求，并且使我们的用户服从正式的变更需求程序。

youdao

Dr Norberg's work reinforces the point, and also shows that it is not formal marriage, but actual cohabitation, that is the decisive factor.

诺伯格博士的工作证实了这点，同时也表明决定因素并非正式婚姻，而是实际的同居。

youdao

Some have short sections on validation and verification, but those simply point either to IEEE standards or other formal methods.

其中几本教材中有很少的篇幅涉及到确认和验证，但是仅仅是简单的引用IEEE标准或其他正式的方法。

youdao

4 So this is 16 times 4 equals 64 and though this is not proof by any means, it's not a formal proof because here is one example that happens to prove my point.

所以是16*4，即,尽管如此，这并不是严格的证明,因为是这个例子碰巧证明了我的观点。

哈佛公开课 - 计算机科学课程节选

Whether we like it or not, we are going back to the pre-Bismarckian world, where work had no formal stopping point.

ECONOMIST: Ageing in the rich world

Rice also stressed that the joint statement will only be a starting point for formal peace talks and will not be intended to resolve those issues.

NPR: Bush Pushes Middle East Peace Talks

Almost every kid in the world has run a sprint race, formal or informal, at some point in his or her life.

FORBES: Sport Makes Us Happy