我吃过一番苦头才明白了这个道理——你永远不知道接下来会发生什么事情，但无论如何你都必须做好准备。

I've learned the hard way that you never know what's going to happen, but you need to be prepared no matter what.

youdao

我吃过一番苦头才明白了这个道理——你永远不知道接下来会发生什么事情，但无论如何你都必须做好准备。

I've learned the hard way that you never know what's going to happen, but you need to be prepared no matter what.

youdao