最后，可能也是最重要的一点，汽车的历史表明，科技产业对共性产品的狂热是一种误导。
Last, and perhaps most important, the history of the car suggests that the technology industry's current mania for “converged” devices is misguided.
无论产品经理有何不同，所有传统产品经理有一个共性。
Regardless of how different product managers may be, there is a commonality among all traditional product managers.
我们都买产品和服务等，由于不同的原因—但是所有交易的一个共性就是我们相信，当交易完成时，情况会变好。
We all buy things, services, etc. for different reasons-but the common denominator in all transactions is the belief that after it's done, things will be better.
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