农业中的每一个挑战都提供了学习和成长的机会。
中心地的空间分布遵循基于经济原则的系统模式。
我不是天才，我只是比别人努力多一点。
The key to innovation is fostering a culture of continuous improvement.
The process of creative destruction is the essential fact about capitalism.
爱得太深，会失去所有荣耀和价值。
The truth is rarely pure and never simple.
The primary cause of unhappiness is never thesituation but your thoughts about it.
