You'd have to be an authorized participant, but if you become an institution you can get authorized to trade in the auction.

只有授权参与商才可以参加,如果你是一个商业机构,你可以获得授权参与交易

耶鲁公开课 - 金融市场课程节选

and then the Transport for London issues them with a license in order to be able to trade as a minicab.

然后，伦敦交通局发给他们一个驾照，以便他们能开微型出租车拉客。

小心微型出租车 - SpeakingMax英语口语达人

The Dutch economy, the equivalent would be the decline of the Venetian economic power in the Mediterranean-- and trade with the East diminishes.

而荷兰经济的崩溃,有点类似于地中海威尼斯的经济下降,他们和东方的贸易往来也锐减

耶鲁公开课 - 欧洲文明课程节选

I'm not going to put Yale's entire portfolio in Google stock, I'm not going to go back and take Yale's entire portfolio to day-trade bond futures; in part, because it would be bad for me personally.

我不会用耶鲁的全部资产买谷歌股票,我也不会,用耶鲁的全部资产买债券期货,一方面是因为,这对我个人不利

耶鲁公开课 - 金融市场课程节选

Not everybody had to be involved in creating food, and so that gave people more time to trade, to develop other products, to be involved in non-food pursuits and many, many more things.

不需要所有人都忙于制造食物,因此人们有空进行贸易,开发其它产品,以追求其他更多,而不单单是食品

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You remember he's written his father in "Ad Patrem" that the trade, the vocation of poetry -- it may be homely and slighted in his father's eyes, but it was of course worth all of Milton's time, all of Milton's uncessant care and investment.

他在写给父亲的Ad，Patrem中说，写诗这个职业在父亲看来或许,简单无趣，却值得弥尔顿付出所有的时间，精力，和投资。

耶鲁公开课 - 弥尔顿课程节选