"There will be operation in this area. But it is now a matter of military judgment (of) what is the appropriate time."

VOA: standard.2009.10.12

Okay, so 1 is a viable answer in some contacts that needs constant time, the same amount of time no matter what.

在需要常量时间的情况下,答案是1，不管怎样，总时间是,相同的。

哈佛公开课 - 计算机科学课程节选

One of the big arguments that is part of this story is when did this development of new way of fighting come about; rather quickly, over a matter of a few years, or did it stretch out over quite a long time.

人们对此最大的争议就在于,这种新型战斗方式是何时为军队所用的,是在短短几年内迅速发展起来的呢,还是在很长的一段时间逐步形成的呢

耶鲁公开课 - 古希腊历史简介课程节选