Moreover, China has shown itself to be a good learner from past crises, and shifts course when necessary.

中国已经展示了其有着能很好的从过往危机中学习的能力，并且在必要时能有所作为。

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Market enthusiasts moreover would argue that such actions serve a necessary role when they drive up or down the price of oil, by reducing or encouraging demand, and thus playing a rationing purpose.

市场爱好者而且还考虑到他们通过增加或减少需求这一系列动作可能会对抬高或降低油价起到重要作用。他们这是为了达到定量配给的目的。

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