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种树最好的时间是25年前,第二好的时间是现在。
The best time to plant a tree was 25 years ago. The second best time is today.
Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."
一本书永远是通往另一个世界的敞开之门。