“我想，”邓布利多说，“如果你选择回去，有可能他就永远完蛋了。”

"I think," said Dumbledore, "that if you choose to return, there is a chance that he may be finished for good."

youdao

All right? If I'm gambling, I'm saying, gee, if I'm really lucky, it'll be only on this side, and I've got a little bit of work to do, but if I'm unlucky, I'm scrawed, the past pluperfect of screwed, OK., or a Boston fish.

如果我够幸运的话，目标数就会在这边的，这会大大减少我的工作量，但如果不幸运呢？我就完蛋了，我就得再从剩下的这么大的数组里找了，这很痛苦，因此选中位数是正确答案。

麻省理工公开课 - 计算机科学及编程导论课程节选