This is done in an ad hoc fashion. It is not done in a systematic way.

VOA: standard.2009.08.31

This was very big in an ad campaign at least last year, I'm not sure if it still is, with the little butterfly.

它的广告宣传做得很大，至少在去年是这样的，我不确定它现在还是不是，它这里有一个小蝴蝶。

麻省理工公开课 - 化学原理课程节选

You know that buying gold coins from some newspaper ad is not a smart investment, but they know that there will be people out there.

你们明白购买报纸广告上宣传的金币,是一种不明智的投资选择,但销售商知道总会有人上钩

耶鲁公开课 - 金融市场课程节选

How do you deal with that trade-off where you absolutely need an ad sales force but at the same time, if one person at a time, you just can't say let's go out and hire five good engineers or five good ad sales people and not have them be great?

如何做出选择，如何取舍,当你急需一批销售人员，但如果只碰见一个合适的人选，你不只能因此去找,5个差不多的工程师,或者5个差不多的广告销售？

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

His terms are very much informed by a modernist sensibility of what literature is all about-- and I'm going to say more about what that is when I lecture on Lolita--but it's very much in contrast with that Ulysses ad. " Don't identify. It's not about you.

他的方式都是通过对文学的,现代主义式鉴赏来表达的,我在讲《洛丽塔》时会再详细说明,这和《尤利西斯》的广告有很大不同“,“无须认同，那与你无关，那是关于其他事情的”

耶鲁公开课 - 1945年后的美国小说课程节选