All the supreme court justices would share our social values. And most importantly, our programs would work the first time we typed them. By now you may have noticed that we do not live in an ideal world.

符合我们的社会价值观,但是最重要的是，我们写好的程序，第一次就能顺利运行,如今你可能已经注意到了,我们生活的并不是一个理想的世界。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's a bit more ethical because you don't have to worry about all the pollution

这样做很符合社会公德，因为你不用担心会产生污染，

地铁的好处 - SpeakingMax英语口语达人