All right. If the derivative is small, it's not changing, maybe want to take a larger step, but let's not worry about that all right?

好，如果导数很小的话，函数就基本没什么变化,可能我们就想把步子迈大一点儿了,但是别为这个担心？

麻省理工公开课 - 计算机科学及编程导论课程节选

When we start writing code, you're going to see that difference, but for now, don't worry about it, I just want to plant that idea.

当我们开始写代码的时候，你就会看到区别了，但是现在别担心，我只是想让你们初步有个印象。

麻省理工公开课 - 计算机科学及编程导论课程节选

Alright, and don't worry I have a script for you but not for Philip.

好了，别担心,脚本给你，但是飞利浦没有。

哈佛公开课 - 计算机科学课程节选

Don't worry about how came about, Heron found this out.

别担心这是怎么来的，海伦发现了这个规律。

麻省理工公开课 - 计算机科学及编程导论课程节选