质量不是梦想;它是一种现实。
Men trust their ears less than their eyes.
写作的行为是一种自由的行为。
The cistern contains: the fountain overflows.
在软件开发中,我们必须始终注意性能、复杂性和可维护性之间的权衡。
The existence of a legal system depends on the acceptance of secondary rules by officials.