The sentence is not comparing employment costs of two different periods. It is comparing how much the costs rose in two different periods. Employment costs rose by a smaller amount in the 12 months that ended in September than they rose in the 12 months that ended in June. Employment costs rose 2.8% in the more recent period, slightly less than they rose in the earlier period.
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发表于 2009-8-7 17:41:00
