Of course, you haven’t. Cause your job is to teach, and my job is to know about companies like Rhymer before everyone else. You know when you don’t buy a stock? When you cab driver tells you about it. Now, if you’d known about IBM before the invention of the microchip, would you have bought in?

Cause這里是做連詞嗎？

When you cab driver tells you about it.表達的意思是？

本段話口語意味非常濃。

cause 實質是 because；

When you cab driver tells you about it. 實質是 When your cab driver tells you about it.