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这里是做连词吗？

When you cab driver tells you about it. 表达什么意思？