循环经济不仅对地球有益，而且是好的商业实践。
What I want to talk to you about today is the difference between gifts and choices. Cleverness is a gift， kindness is a choice. Gifts are easy -- they're given after all. Choices can be hard. You can seduce yourself with your gifts if you're not careful， and if you do， it'll probably be to the detriment of your choices.
衡量一个人的真正标准是他如何对待那些对他绝对没有好处的人。
最大的风险是不冒任何风险。在快速变化的世界里，唯一注定失败的策略就是不冒险。