我问他是否感觉好了一点，他说是，可自己的病还是没有好，一切都无法改变。

I asked him if he felt any better and he said that he did, but he was still sick and nothing would change that.

youdao

如果其中某个不存在，那么我还是不打印它的名称为好，这样我可以区别出是没有这个属性还是它被设置成了空字符串。

If one of them is missing, I'll suppress printing its name as well, so I can tell the difference between it being absent and being set to an empty string.

youdao

那是个好建议，不过即使修订建议能否被接受我还是没有信心。

B: that's good advice, but I'm not confident that even revised proposals will be accepted.

youdao

So in other words, if thankful is still false at this point, it means this condition did not work out very well, and so I'm going to do this block of code again.

换句话说，如果thankful在这时候还是false值，这表示这个条件没有实现地很好，所以我将再次去处理这段代码。

哈佛公开课 - 计算机科学课程节选