商品价格可以是通货膨胀的一个有用指标。

Commodity prices can be a useful ___indicator of inflation.

高失业率通常是一个关键的经济指标。

High unemployment is often a key economic ___indicator.

公司的股价是其财务健康状况的可靠指标。

The company's stock price is a reliable ___indicator of its financial health.