种树的最佳时间是20年前,其次是现在。
The best time to plant a tree was 20 years ago. The second best time is now.
The struggle of man against power is the struggle of memory against forgetting.
The only thing that could make us what we are would be a perception of something like us.
在深海中,我们发现了最古老的生命形式,如同保存在时间胶囊中。