A social system is a system of relations between persons and between groups.
社会系统是个人之间以及群体之间关系的系统。
The role of technology in reducing emissions cannot be overstated.
The best thing a human being can do is to help another human being know more.
最好的决策是数据与直觉的结合。
The best way to be successful is to learn from your mistakes.
你比你想象的更有价值。