He died long before the search for Planet X resulted in the discovery of Pluto.

VOA: special.2010.07.11

Oh, but how do I know how long it takes to do x 2?

但是，我想知道用第二种方法,做要多长时间呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

We don't know how long it takes to do x 2.

我们不知道要多长时间。

麻省理工公开课 - 计算机科学及编程导论课程节选

So in some sets, as long as x has the value I want, it ought to do the right thing.

所以在某些结构中只要x的,只是我想要的我就能得到正确的结果。

麻省理工公开课 - 计算机科学及编程导论课程节选