That's why I must decide on something at once while there is still time, before I am famous.

VOA: special.2009.09.20

Never go back. Find another. Leave at once. Go for a long trip again, but this time we'll go wherever I want, won't we?" I nodded. My Lolita.

绝不会去，另找一所学校，马上走，再去长途旅行，不过这次去我想去的地方，好吗？“我点头，我的洛丽塔。

耶鲁公开课 - 1945年后的美国小说课程节选

Having said that, at the same time, once you have the idea,

说了这些，同时，你一旦有了想法，

事业就是挑战 - SpeakingMax英语口语达人

First of all, it will only be a minute or two at a time, maybe once or twice a lecture.

首先，每次只有一两分钟，一堂课最多不超过两次。

哈佛公开课 - 幸福课课程节选

That's why your operating systems and your personal computers often crash for no apparent reason. Just because two things happen to, once in a while, occur at the same time.

这就是为什么你的电脑或者操作系统,经常会毫无预兆的崩溃了,这是因为两件事情正好同时发生了，通常还有人工输入。

麻省理工公开课 - 计算机科学及编程导论课程节选

However, over the course of time, some ancient Israelites, not all at once and not unanimously, broke with this view and articulated a different view, that there was one divine power, one god.

然而随着时间推移一些犹太人，不是全体一致地，摒弃了这种，认同并信仰一种完全不同的，那就是世上只有一个神，上帝。

耶鲁公开课 - 旧约导论课程节选

How could I possibly do it in sublinear time, I've got to look at least every element once.

我每个元素都至少得看一次，这就是我希望你们能够考虑的本质。

麻省理工公开课 - 计算机科学及编程导论课程节选

I've got a list, walk you through it an element at a time, do I look at each element of the list more than once?

你一次只能得到他的一个元素,我是不是把数组里面的每个元素，都过了大于等于一次？,你不这样认为么？大家有什么建议？

麻省理工公开课 - 计算机科学及编程导论课程节选

bugs And if so, let's fix them all at once rather than one at a time.

让我们一次性全部修复这些,而不是一次修复一个。

麻省理工公开课 - 计算机科学及编程导论课程节选