Grief is a private thing. It takes as long as it takes.
When we protect forests, we're not just saving trees - we're safeguarding humanity's future.
Sometimes we get sad about things and we don’t like to tell other people that we are sad about them.
有时我们会为某些事情感到悲伤,而我们不愿意告诉别人我们为此感到悲伤。
我一直对人类状况和什么让人们心动感兴趣。
优化是在给定约束条件下做出最佳决策的艺术。