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Some experts in China commented that China might take 10 years to catch up. No reason was given why it will take so long! On the other hand, China has been very successful in high‐speed train and satellite technology. When China can make transistors as cheap as those made in United States, it is a sign that China has caught up. A plausible reason is given below.

A Chinese classic philosopher, Wang Yang‐Ming, said “Knowing is hard, but practice is easy.” Semiconductor technology is completely opposite that “Knowing is easy, but practice is hard.” Take an example of teaching a child to play violin or piano; we can find the best teacher to teach the child all the technique and tricks of how to play well. Even a very talented child, he/she still has to take 10–20 years of practice to be good. It is the “experience” that is needed to do well. Indeed, “experience” cannot be taught quickly and cannot be copied or cannot be steal. Furthermore, in semiconductor manufacturing, the experience is not just of one person, it is of an entire industry.