写作有点像拉屎。如果太费力,那就有问题了。
Think of it! With VLSI we can pack 100 ENIACS in 1 sq. cm.
As to the gods, I have no means of knowing either that they exist or that they do not exist. For many are the obstacles that impede knowledge, both the obscurity of the question and the shortness of human life.
Democracy must be born anew every generation, and education is its midwife.