企业采购经理人调查数据、有关全球货运价格的波罗的海干散货航运指数等领先指标在2008年底的时候直线下跌，而最近已经开始回升，虽然只是小幅上扬。

Leading indicators such as surveys of corporate purchasing managers and the Baltic Dry Index of global shipping costs were in free-fall in late 2008, but have recently turned up, if only slightly.

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