We must invest in people as much as we invest in technology.
经济学的研究最终是对人类行为及其后果的研究。
阅非为抵驳亦非舌簧;览不为胡诌而为衡虑。
"Together we're unstoppable."
The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.
我们可以用言辞说出事情,也可以用言辞来实现事情。