它们是怎么引起的呢？

How are they triggered?

youdao

你知道火灾是怎么引起的吗？

Do you know what caused the fire?

youdao

你是怎么引起洪水的？

"Gee," he asked, "how did you start the flood?"

youdao

and I don't know how to phrase this in a politically correct way, but the parents of ugly kids are likely to themselves be ugly people and maybe what they're finding is just ugly people are more violent than good-looking people.

我不知道怎么用不会引起政治争论的话来说，但丑小孩的父母往往也长得丑,也许这个研究的发现是长得丑的人,比长得好看的人更粗暴。

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