The ratio of positive to negative emotions that predicts flourishing is about 3 to 1. Above that ratio, people tend to flourish; below it, they tend to languish.

我的父亲是我最好的朋友和最伟大的榜样。

农业创新不仅仅是技术问题，更是思维方式的转变。

"Risk management is not about avoiding risk, but about understanding and managing it."