墨西哥人行天桥上的“风火轮”广告，跟桥上小孩的照片比起来，桥下来来往往的真车竟然那么小。这样的玩具车模广告，还真是完美到不行。

Giant image of a child was placed on pedestrian bridge in Mexico to make real cars look really tiny. Perfect AD campaign for the toy car brand. [link].

youdao

So if you wanna do something conditionally, you generally needs to ask the question, is the following true or false.

假如想在一定条件下做一件事情，你需要判断下这个条件，来看看条件是真还是假。

哈佛公开课 - 计算机科学课程节选

Do I have two yes answers if you wanna check two conditions at once? You know, this might seem to be a bit of a new context for some of you but consider a typical website.

我能不能对两个条件同时判断,来看看它们是不是都为真？,这些概念可能对你们中一些人有点新颖,那么就考虑一个典型网站。

哈佛公开课 - 计算机科学课程节选

If you get oil, crush the oil from the olives that come down from the trees, that's a nasty smell that it has.

如果想要得到橄榄油,就要从橄榄树上摘下橄榄来榨油,它的味道可真不好闻

耶鲁公开课 - 古希腊历史简介课程节选