什么时候和为什么这样做，是诞生？

When and why did it come into being?

youdao

什么时候和为什么他们建成？

When and why were they built?

youdao

刘：你什么时候和为什么离开加州佛罗里达吗？

JL: When and why did you leave Florida for California?

youdao

发脾气谁都会，很容易，但是该在什么时候、为什么事、用什么方式、对什么人发脾气，和发到什么程度，要能做到恰如其分，可不容易。

Any one can become angry - that is easy, but to be angry with the right person, to the right degree, at the right time, for the right purpose, and in the right way - this is not easy.

youdao

为什么、如何和什么时候我们孩子应该学第二语言？

Why, How, and When Should My Child Learn a Second Language?

youdao

为什么、如何和什么时候我们孩子应该学第二语言？

Why, How, and When Should My Child Learn a Second Language?

youdao