That's what I'll buy today not because I'll derive income off of it, but because it's what people are going to want next week and I'll be able to sell it higher.

意思是我今天要买入什么,并不是因为我希望从中获取收益，而是因为这是人们在下个星期希望买入的,而我将会以更高价卖出。

耶鲁公开课 - 金融市场课程节选

and start getting income of my own, instead of having to live off my parents' money.

自己赚钱而不是依靠父母的支持。

如果成为医生 - SpeakingMax英语口语达人