The future of energy is diverse - there is no single solution.

交易的成功来自于不断的学习和适应。

States are rational actors that seek to maximize their power and security in an anarchic international system.

才能不足的人计谋多，见识不够的人事情多，威仪不足则使人怨怒多，诚信不够则言语多，勇气不足则辛劳多，明细不够则多察查，事理不足则多辩论，情分不够则多礼仪。