这是一定要做的前七(7)天是到了。

This must be done before the seven (7) days are up.

youdao

现在我们要做一个决定，或者我们可以后退一步说，‘让自然界自己选择未来吧，’或者我们可以下定决心：这是我们的责任，我们一定要为此做些什么。

We can either stand back and say, 'Let nature take its course,' or we can decide that this is our responsibility and do something about it.

youdao

现在我们要做一个决定，或者我们可以后退一步说，‘让自然界自己选择未来吧，’或者我们可以下定决心：这是我们的责任，我们一定要为此做些什么。

We can either stand back and say, 'Let nature take its course,' or we can decide that this is our responsibility and do something about it.

youdao