理解问题是解决问题的一半。
Understanding a problem is half the solution.
Your life is not a result of what happens to you， but of the choices you make.
China's rise will inevitably lead to conflict with the United States.
存在总是某种存在者的存在。
Girls have to go into the world and make up their own minds about things.
世界拥有技术 - 无论是现有的还是研究中的 - 可以在可持续的基础上养活100亿人口。