Manufacturers are still free to use bisphenol a, but it has acquired such a bad rep that not many do.

厂商仍然可以使用双酚a，但是它已经获得了少见的坏名声。

youdao

The bottom line is, other apps may get the job done, but due to bad interface design, a critical missing feature, or trying to do too much, are not a pleasure to use.

本质上来讲，其他应用也带有这些功能，但是它们的用户界面很糟糕，不是缺少一些关键性的功能，就是做的太过火了，用起来不是很爽。

youdao

Do you feel bad if you don't get to use it to put out a fire?

如果你不用它来灭火会感觉不爽吗？

youdao

Otherwise, it's a pretty bad mistake, but sometimes you do want an infinite loop, Word for instance, Microsoft Word if you use it or pages or the like on your Mac or PC.

否则，它将会是一个错误，但有时你确实需要一个无穷循环，例如微软的,当你在Mac或者PC上使用它时。

哈佛公开课 - 计算机科学课程节选