The index is the government's chief gauge of future economic activity.

这个指数是政府对未来经济活动的主要判断标准。

《柯林斯英汉双解大词典》

Index readings above 50 indicate an increase in business activity.

指数在50以上，则说明企业活动增加。

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The purchasing managers' index, a closely-watched gauge of activity, rose in May to its highest since October.

经理购买指数，监测经济活动的重要指标，五月份上涨到去年十月以来的最高值。

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An index of activity in both manufacturing and services edged up in January from a record low.

ECONOMIST: Overview

The Philly Fed index of activity was predicted to rise in June from 3.9 but came in at minus 7.7.

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U.S. economic data due for release Tuesday includes the weekly Goldman Sachs chain store sales index, the weekly Johnson Redbook retail sales report, new residential sales and the Richmond Fed business activity index.

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