It has done more than simply make a trip to see family in another state easier.
VOA: special.2010.01.11
So if in fact I wanted to make sure this was a number, I should have done something like either try and convert it to a number, which of course failed here, or put in a check to say where it is.
因此实际上如果我想确保,这是一个数字的话,我们的课程上的代码,在这里失败了,你或许应该在这里,放一个检查的东西。
Because when you make this request "make sure," that the person would either say "Yes, I've done it," or "No, I haven't,"
当你作出“Make sure”的要求时,对方会说,“是的,我已经做了” 或者 “不,我还没做呢。”
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