Cappex sells advertising on the site to schools and companies.

VOA: special.2009.02.26

If you buy stock in a high tech company, that sells things on the internet, you might expect it to fluctuate enormously.

如果你选择买在网上进行销售的，高新技术公司的股票，它可能会变化非常大。

麻省理工公开课 - 计算机科学及编程导论课程节选

Tell me what you find on the shelf that sells for 20 cents a pound.

在售货架上,它们的价格达到了20美分每磅。

麻省理工公开课 - 固态化学导论课程节选

So, the monopoly on dice he sells.

彼得大帝不仅垄断了掷骰赌博

耶鲁公开课 - 欧洲文明课程节选

He sells the monopoly on salt.

他还垄断了盐的销售

耶鲁公开课 - 欧洲文明课程节选