And two, to give you a better sense of design especially as your programs get a little more involved and they play or they run for more than just a few seconds time.

另一方面，使你们对设计更有感觉,尤其是你的程序要适用于更多的应用环境或,要运行不止几秒钟时间的时候。

哈佛公开课 - 计算机科学课程节选

If you don't account for them all in your design, the system may not work.

若设计时不能全面考虑，该体系就行不通。

麻省理工公开课 - 媒体、教育、市场课程节选