When nature calls, we have to answer.

当大自然召唤时，我们必须作回应。

youdao

Then how when Nature calls thee to be gone.

造化总要召唤你回去的，到头来。

youdao

Then there was a sequel to Ace Ventura: When Nature Calls which didn’t quite recapture the sparkle of the original.

然后是《艾丝·温图拉》续集：《当自然召唤时》，该片未能再现原著的精华。

youdao

There are gender specific health concerns, personal hygiene and what happens in a foxhole when nature calls?

FORBES: Memo To The ACLU: Don't Put Women Into Combat