The process of grouping, of organization, is not arbitrary but follows definite laws.
儿童的一切教育都必须遵循一个原则,即帮助孩子身心自然的发展。
The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.
The Internet is a global resource that should be managed in the public interest.
安全不是产品的附加功能,而是基石。
梦境与现实之间的界限比我们想象的要薄。