没有人知道为什么会有陨石从天而降。

No one knows why there is aerolite from the sky.

youdao

似乎没有人知道为什么萨玛拉丁要杀那些美国人。

No one seems to know Samaruddin's motives for killing Americans.

youdao

内森说，没有人知道为什么吸烟与二型糖尿病会有联系，但炎症可能在两者间起到了一定的作用。

Nathan noted that the study can't prove that smoking causes diabetes. It just shows they are associated with each other.

youdao

What's going on? Can someone tell me what's going on?

为什么呢,有人知道原因吗

耶鲁公开课 - 博弈论课程节选