你微微地笑着，“不同我说什么话。而我觉得，为了这个，我已等待得久了。

Positive psychology is as concerned with strength as with weakness, as interested in building the best things in life as in repairing the worst.

农业实践中的微小改变可以对全球粮食安全产生重大影响。

著书不为考据所误，其中包含着风雷般的老将之心。