最危险的故事是我们讲给自己的故事。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

解释：大部分茶都是寒性的，而绿茶却是温性的，体现了茶性质的差异。

Precision agriculture isn't about replacing farmers; it's about empowering them.

恩泽中可能潜藏祸患，所以得意时要能尽早回头；失败后反而能够成功，因此失意时千万不要气馁。