Losses on commercial property tend to lag behind rises in the unemployment rate by a year or so, largely because lease terms protect landlords from immediate falls in rental income.

商业地产的损失一般滞后失业率的上升大约1年左右，主要因为租期保护了房主免予租金收入的立即下降。

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If a council falls behind in one area (or simply tries something different), teams of inspectors from Whitehall descend.

ECONOMIST: Local democracy

Or even lack of innovation, where the evolution of the product falls behind the needs of the majority (Myspace, anyone?).

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