几周以前，《经济学人》邀请那些喜爱巨无霸指数的读者来发明其它古怪的经济指标。

A FEW weeks ago the Economist invited readers who enjoy our Big Mac index to invent other quirky economic indicators.

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几个星期前，经济学家邀请了喜爱我们的巨无霸指数的读者来创造其他古怪的经济指标。

A FEW weeks ago the Economist invited readers who enjoy our Big Mac index to help invent other quirky economic indicators.

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中国最近公布，采购经理人指数这一重要经济指标出现了改善，该指数4月份升至了53.5，高于3月份的52.4。

One of the recent headline figures indicating improvement in China is the Purchasing Managers Index, which rose to 53.5 in April, up from 52.4 in March.

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