The earnings of the average American have failed to keep pace with the rate of inflation.

一般美国人的收入跟不上通货膨胀的速度。

《柯林斯英汉双解大词典》

Overlords' income, despite the increase in rice production among their tenant farmers, failed to keep pace with their expenses.

尽管佃农的稻米产量有所增加，但地主们的收入仍跟不上他们的支出。

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In South Africa, as in many developing and newly industrialized countries, legislation on air pollution has failed to keep pace with mushrooming industries.

同许多发展中国家和新兴工业化国家一样，在南非，关于空气污染的立法未能跟上迅速发展的工业的速度。

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Sadly, CIOs and their teams have largely failed to keep pace with this change.

FORBES: Consumerization And The Nagging IT Expectations Gap

Over the past two decades gold has generally failed to keep pace with inflation.

ECONOMIST: Losing the Midas touch

Some investors think Yahoo has stumbled as it failed to keep pace with Google in search and online advertising.

NPR: Yahoo Rejects Microsoft Bid