monitoring agency index

例句：

1. 1. The company's monitoring agency index has been declining steadily since the beginning of the year.
   该公司的监控机构指数自年初以来一直在稳步下降。
2. 2. The index is a measure of how well companies are doing in their industry.
   该指数是衡量公司在其行业中表现好坏的一种指标。
3. 3. The index has been closely watched by investors as it moves higher or lower.
   随着该指数的上涨或下跌，投资者密切关注它。