GCC -o So, on the one hand, I've run this command here, GCC dash O and this projector I'm highlighting things all day long on the screen here and you're not seeing any of it unfortunately it seems on this projector.

我在这运行了一条命令,这台投影仪我一天到晚的开着,一再强调屏幕上的东西，不幸地，你们却,在投影仪上没有看到它。

哈佛公开课 - 计算机科学课程节选

unfortunately in Python you can, however, do things like this.

很不幸在Python中你却可以这么干，不过你期待结果是什么呢？

麻省理工公开课 - 计算机科学及编程导论课程节选