It's going to let us bury away the specifics of something, and treat that computation like a black box. And by black box, I mean, literally behaves like a mysterious little black box.

通过抽象我们可以将一些细节,掩埋起来并将这一段计算当成黑盒,说到黑盒我的意思就是,字面上的像一个神秘的小黑盒。

麻省理工公开课 - 计算机科学及编程导论课程节选

Let's say that you're going through your mom's jewelry box and you're having a conversation about a jewelry.

假设你正在翻看你妈妈的珠宝盒，你们正在讨论一件珠宝。

remind me of 课堂 - SpeakingMax英语口语达人

Of course you guys are savvy enough to know this, but a lot of people get fooled because many people believe that a serving is what's ever in a bag, or a bottle, or a box, and they don't look and see how many servings are actually in it.

大家很聪明,当然看得懂,但还是很多人搞不清它的含义,因为很多人认为所谓一份食物就是指,一包,一瓶或一盒内的食物总量,而没看清整个包装内实际上有几份食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And I just got a box lunch and there was a strange chocolate bar that I got.

我得到了一盒午餐，里面有一根很奇特的巧克力棒。

喜欢巧克力吗？ - SpeakingMax英语口语达人