本集核心英语单词及例句：

1.advertising (n.)广告；广告业
Advertising is just not about selling you something.
广告不仅仅是推销你东西的方式。

2.promotion (vt.)推销，促销；促进
How involved will you be in its promotion?
你将如何参与到它的促销活动中呢？

3.program (n.)程序；计划；大纲
So what does this program do?
所以这个程序是干嘛的呢？

4.product (n.)产品
What is your product or service?
你的产品或者服务是什么？

5.on the edge of (adv.)几乎；濒于；在...边缘
All the frogs line up on the edge of a rock to dive.
所有的青蛙在一块石头边上排起了队来潜水。