但为什么是现在，父亲？

But why now, Father?

youdao

接着他又问道：“但为什么是黑屏呢？”

Then he asked again, "But why is the screen black?"

youdao

但为什么是大熊猫？

But why a panda?

youdao

And I don't know why, but since time immemorial that is the way computer scientists have drawn trees.

叶子是在最下面的，我不知道为什么,但从记事以来他们就是这么画树的,这也许就是为什么我们。

麻省理工公开课 - 计算机科学及编程导论课程节选

But when you asked them why they didn't try it the answers tended to be "I would look silly."

但当你问他们为什么不尝试时,他们的答案往往是“这样做会很傻”

耶鲁公开课 - 心理学导论课程节选

Nobody really believed he still had these sympathies, but the whole question was, why didn't he fess up?

没有人真的相信他仍怀有这些同情，但问题是，他为什么不坦率地承认？

耶鲁公开课 - 文学理论导论课程节选