And then, later he added a zeroth rule.

然后，后来他添加了第。

You could look it up yourself, but sometimes it is a lot quicker to do your best, you know, zeroth effort, guess and then have the machine say, I'm pretty sure this is what you meant.

你可以自己查一下， 有时尽而为要快得多，你知道，，猜测，然后让机器说，我很确定这就是你的意思。