领导力就是做出艰难的决定并坚持它们，即使这些决定不受欢迎。
Leadership is about making the tough decisions and standing by them, even when they're unpopular.
Small changes in farming practices can lead to big impacts on global food security.
气候系统异常复杂，我们对它的理解仍在不断发展。
在森林的静谧中，人们发现了道的运动。