Positive emotions are not trivial luxuries, but instead may be critical necessities for optimal functioning.
解释:不在农忙时役使百姓而耽误农时,那么可以保证百姓富裕。
Sustainability is not just a trend, it's a responsibility we owe to the next generation.
"The more you try to control the truth, the more it controls you."
现在不是去想缺少什么的时候,该想一想凭现有的东西你能做什么。