当我们保护海洋生态系统时,我们最终是在保护人类的生计。
We are all exiles in some way, searching for a home that may not exist.
我们不是从祖先那里继承了地球;我们是从子孙那里借来的——这必须指导每一个商业决策。
I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.