换句话说，并不存在单一的“自然”失业率，决策者在原则上尽可以定一个他们最喜欢的均衡数字。

In other words, there was no single "natural" rate: policymakers could in principle try for the equilibrium they most favoured.

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另外一篇著名的论文发表于1982年，该文中Diamond展示了为何不同人之间需要相互搜寻的这种经济体，最后总能出现几个均衡的失业率。

In another famous paper published in 1982, Mr Diamond showed how an economy in which different agents need to seek each other out could end up with several equilibrium rates of unemployment.

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佐利克表示，关于货币的紧张局势是由于经济缓慢而不均衡的复苏，这又导致数百万人失业。

Zoellick says the tensions grow out of the slow and uneven economic recovery, which is leaving millions of people out of work.

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