Call your power company to see if they offer green energy, if they don't, ask them why not.

咨询当地能源公司，是否提供绿色能源，如果他们不提供，询问原因。

youdao

If you seem to get along with them then why not ask them to do something? If you like your new coworker or classmate, ask them if they want to grab a drink later, or come by your place to chill.

你似乎与他们相处地不错，那么为什么不问问他们做了什么？

youdao

Why not just ask them?

为什么不问问他们呢？

youdao

If they're not part of the 90 percent of Americans who agree on background checks, then ask them why not.

WHITEHOUSE: President Obama Speaks on Reducing Gun Violence

And if the answer is no, ask them why not.

WHITEHOUSE: Now Is The Time to Take Action Against Gun Violence

And if they say no, ask them why not.

FORBES: Who Is The Gun Lobby? Me For Sure; Maybe You Too?