"They still have to explain why it hasn't spread to everyone," says Matthew Keller of the University of Colorado in Boulder.

“他们仍需要解释为什么这种属性没有扩散到所有人，”科罗拉多大学波尔得分校的马修·凯勒问道。

youdao

It is why his third wife, Sun-jung jung, understands him, he says. "She's cool."

这就是为什么他的第三任妻子郑善贞能够理解他。

youdao

Yes, I know this will not work for all moms but that's why in the article it says that YOU need to really know that person.

是的，我知道可能不会对所有的妈妈有用，但是这就是为什么在文章里说你需要真正了解这个人。

youdao

Japan says there are genuine scientific reasons for why it needs to kill hundreds of whales each year in Antarctic waters.

VOA: standard.2010.01.05

You didn't know who wrote it, where, when, how, why, and someone says to you, "I want you to draw some conclusions about that piece of writing.

你不知道是谁，在哪里，什么时间，怎么样，为什么要写,然后你被要求对篇文章，做一个总结。

耶鲁公开课 - 旧约导论课程节选

Then someone says, hey why don't we just change it?

有人提出,为什么不换个方式呢

耶鲁公开课 - 金融市场课程节选

When Washington takes on a problem, it says, Why not?

WSJ: Henninger: Obama's Colossal Politics

She says the New Orleans delegation even voted for it, which she says is why lawmakers have rejected New Orleans' call now to change the law.

NPR: New Orleans May Lose Wireless Network

Retired history professor ER Milner says it is clear why the couple are still so intriguing.

BBC: Bonnie and Clyde guns fetch $504,000 in New Hampshire