我多带了一些现金,以防万一。
我要保存这封信,以防万一。
我也给他买了一份人寿保险以防万一。
I have also taken out a life insurance policy on him just in case.
Part of this sort of this inveterate Calvinism, and part of the fact that, "What if the dams burst?"
即根深蒂固的加尔文主义,还有一些事实,诸如,"万一溃堤了怎么办"
And one of them will be filmed, too, so that if you can't actually make any of the times not to worry, that video will go online sometime Tuesday in plenty of time for Friday's pset deadline.
其中一门课程也会被拍成录像,所以你们万一没有时间也不用担心,那个视频在周二会放到网上去,直到周五过期,这其中还是有充裕的时间的。
And just in case the assumptions are not true, we're just going to stop dead in our tracks.
验证下假设条件,万一传递的参数。
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