Investing in cleaner coal technologies is investing in our planet's future.
"I think it's important to have a balance in life, and to not let work consume you."
无产阶级是普遍的阶级，他们的根本锁链是可以破裂的阶级。
我要向你走去，你像我走来已经很久了。
The key to successful market design is anticipating how participants will behave under different rules.
The best leaders are those who listen more than they speak and learn from everyone around them.