If they're paid by commission on each trade they just keep calling you up and coming up with new ideas for new trades.

如果他们的薪水来自交易中抽取的佣金,他们就会不断拜访你,告诉你一些关于新交易的新点子

耶鲁公开课 - 金融市场课程节选

It's not for us to alienate them or to give them up, to give them away, to trade them away, to sell them.

就是我们不能远离，放弃，丢弃，交易，或出售自然权利。

耶鲁公开课 - 公正课程节选

He tries not only to copy European absolutism, but to open up Russia to commerce, realizing that trade meant wealth and that wealth meant improvements in the lives of the Russian people.

他不仅试图仿效欧洲的绝对主义,也开放了俄国的商业贸易,他意识到贸易意味着财富,而财富则等同于俄国民众生活水平的提高

耶鲁公开课 - 欧洲文明课程节选

Rights that are so essentially mine that even I can't trade them away or give them up.

这些权利如此基本，对我必不可少,连我自己都不能出售或放弃它们。

耶鲁公开课 - 公正课程节选