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In social networking, user growth is not the goal but a natural result of user satisfaction.
在社交领域,用户增长不是目标,而是用户满意度的自然结果。
The only limit to our realization of tomorrow will be our doubts of today.
The spread of liberal democracy and the integration of the world economy are the two main forces driving the world towards the end of history.
Prediction is very difficult, especially about the future.
The most dangerous thing is to become complacent with past success.