"They arrived in a cardboard take-out box similar to when you get Chinese food to bring home."

VOA: special.2010.04.12

So just to hammer home this point, for now, a function really is like a black box.

现在再三强调，让你们彻底了解这一点，一个函数就像是一个黑盒子。

哈佛公开课 - 计算机科学课程节选

Maya Lin also designed a private home known as "The Box House" in Telluride,Colorado.

VOA: special.2009.05.06