In the S&P 500 index, the energy sector is up just 2.4 per cent this year and was barely positive in the first quarter, lagging behind the index's 6 per cent gain for the year.

在标普500指数中，能源板块今年以来仅上涨2.4%，其中 在首季只是勉强维持上涨，而整体指数今年迄今已上涨6%。

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The employment component of the index fell, indicating that services are lagging in job creation.

该指数中的就业率下降了，表明服务业在创造就业方面有所落后。

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And if you buy index funds, you don't have to worry about badly lagging behind the market averages because you or your fund managers pick the wrong stocks.

而如果买进指数基金，就不用担心因为你自己或你的基金经理选错了股票而使你的投资收益远远落后于市场平均水平。

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As some of the hardest hit areas by the financial crisis rebound strongly, the northeast and the industrial Midwest have been lagging, index chairman David Blitzer noted.

FORBES: Housing Recovery Firming, But Don't Expect A Return To Pre-Crisis Growth

While Unilever is lagging behind the FTSE 100 Index this year, it outperformed the market by 16% last year.

WSJ: Food Giants Stand Strong in Shaky Times

Other, more traditional measures, such as the consumer price index (CPI) are merely lagging indicators of inflation or deflation that has occurred already.

FORBES: Higher Inflation Is On The Way