这可能是真的，也可能不是。

That may or may not be true.

《牛津词典》

全球变暖可能是21世纪最大的环境危机，也可能不是，但不管它是或不是，我们都不会做出太多行动。

Global warming may or not be the great environmental crisis of the 21st century, but regardless of whether it is or isn't—we won't do much about it.

youdao

全球变暖可能是21世纪最大的环境危机，也可能不是，但不管它是或不是，我们都不会做出太多行动。

Global warming may or not be the great environmental crisis of the 21st century, but regardless of weather it is or isn't—we won't do much about it.

youdao