Listen again to part of the lecture, then answer the question.
再听一遍这个演讲中的一小节，然后回答问题。
Why should we have a single engineering department that has all four cars passing through it?
为什么我们要一个单独的工程部，四辆车都要经过他们的手？
When you design a car, you need the expertise of all the engineers in the company.
当你设计一辆车的时候，你需要公司所有工程师的专长。
Each engineer needs to be in touch with the entire engineering department.
每个工程师都需要和整个工程部交流。
Yeah, but I keep...I keep asking why? I wanna know why.
是的，但是我还要问为什么？我想知道原因。
Why does the professor say this:
教授为什么这样说：
Yeah, but I keep...I keep asking why? I wanna know why.
是的，但是我还要问为什么？我想知道原因。