Researchers have found that grip strength is a leading health indicator.

研究人员发现，握力是一个主要的健康指标。

Business confidence had soured and the housing market, so often a leading indicator of economic trouble, had sagged.

商业信心已下降，住房市场（通常是经济问题的先行指标）也已下跌。

If a change in the jet stream really is a leading indicator of solar activity, then no new cycle is on the horizon.

如果高速气流的变化真地是太阳活动最重要的指示物，那么新的太阳活动周期还未露端倪。

Immigration to Europe has slowed. Some studies also suggest that increased inflows of migrants are a leading indicator of a pickup in growth.

欧洲的移民量也在减缓。一些研究还表明移入居民的增加是经济增长好转的先行指标。

And so the reason this is good leading indicator is before a company that is feeling particularly good hires another worker, they will tell their current batch of workers to put in a few more hours.

因此，这是一个好的领先指标的原因是， 在一家感觉特别好的公司雇用另一名工人之前，他们会告诉他们目前的工人再投入几个小时。