In social networking, user growth is not the goal but a natural result of user satisfaction.
大自然是有史以来最伟大的化学家,而我们才刚刚开始理解它的秘密。
政府开支的第一条规则:为什么只建一个,当你可以用两倍的价格建两个时?
The meaning of life lies not in the answers, but in the questions.