作家花许多个小时反复润色一个场景—这儿改个短语，那儿改个单词。

A writer spends many hours going over and over a scene—changing a phrase here, a word there.

《柯林斯英汉双解大词典》

“他们只是说，上去找点麻烦。" 蛇说道，这条蛇名叫 Crawly，不过他现在琢磨着改个名字。

"They just said, get up there and make some trouble, " said the serpent, whose name was Crawly, although he was thinking of changing it now.

youdao

“我会改个名字的。”艾迪说。

"I'll change my name," Eddie replied.

youdao

Doesn't need to be, so, what should I do about the upper bound here?

不必改下边界值，因此,我该对上边界值做个怎么样的改动呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Let me show you one more class, though about-- sorry, let me show you two more classes of algorithms. Let's look at the next one g- and there's a bug in your handout, it should be g of n and m, I apologize for that, I changed it partway through and didn't catch it.

请大家看，额,在你们的课堂材料中有个错误,应该是g，很抱歉-,我改了一部分这个错误但是没看到这里的，好，这儿的增长率，有人想猜猜么？

麻省理工公开课 - 计算机科学及编程导论课程节选