If the added value of computers is low, they will be given to China, and the servers will be produced by themselves.
Civilian ships have low added value and have been changed into warships.
Half of America's gross national product is service industry.
In addition, the production of a TV earned more than ten yuan, and the sale of 65438+ billion units earned 65438+ billion.
It is far worse than copying foreign exchange, stock trading and futures speculation to make money.