promo是什么意思 n. 商品广告;商品推销 promo的用法和例句: 1. We did this at work with those promo videos. 我们公司的宣传视频也这么弄的 2. They've been running his promo all day. 他们已经播了一整天他的宣传片了 3. Anyway, you have a little problem with the...