环境中的微小变化可以导致行为的巨大改变。

"The world is indeed full of peril, and in it there are many dark places; but still there is much that is fair, and though in all lands love is now mingled with grief, it grows perhaps the greater."

企业要发展，必须把食品安全放在第一位。

傍晚是一天中光线最美的时候，但也是光线开始消逝的时候。

The causal framework is the foundation of scientific reasoning.

译文：事情在得意时，要防止乐极生悲，说话高兴时，要防止言中有失。赏析：物极必反，当事物到达极点时就会朝着相反的方向发展。人生得意时，要低调做人，说话忘乎所以，就会招惹是非。