他们缘何来到东部，我不得而知。

Why they came East I don't know.

youdao

我现在理解缘何人们谈起戴维·福斯特·华莱士时流露出景仰之情和网球粉丝谈论起罗杰·费德勒、塞雷娜·威廉姆斯时如出一辙。

I now understand why people talk about David Foster Wallace with the same kind of awe that tennis fans use to talk about a Roger Federer or Serena Williams.

youdao

为了探究新加坡缘何如此之美，我查阅了大量的报刊资料。

In order to study the reason for Singapore's beauty, I went through a lot of material in newspapers and other publications.

youdao