This list can goes on and on, but the point I am trying to make is Do you see all the CRITICAL things in life are related to selling?

但是有很多公司有好的人，又有好的系统，可是还是出了很多问题呀？ 没错，因为人是活的，系统可以被错用，使得结果有违初衷。 所以怎么用是关键点。

youdao

The company reckons the new transistors, which should be available later this year, will consume half as much power as its existing offerings, making them particularly suitable for mobile computing, where battery life is an important selling point.

ECONOMIST: Transistors