Yong is the outer manifestation of something. Ti is the underlying essence. Technology is a yong associated with a particular ti that is ... Western, and completely alien to us [the Chinese]. For centuries, since the time of the Opium Wars, we have struggled to absorb the yong of technology without importing the Western ti. But it has been impossible. Just as our ancestors could not open our ports to the West without accepting the poison of opium, we could not open our lives to Western technology without taking in the Western ideas, which have been as a plague on our society. The result has been centuries of chaos.
Workers were required to stay six months, and even then permission to quit was not always granted. The factory held the first two months of every worker's pay; leaving without approval meant losing that money and starting over somewhere else. That was a fact of factory life you couldn't know from the outside: Getting into a factory was easy. The hard part was getting out.