they是可以指代物的

they可以指代人，也可以指代物

例句：

They decided to base the new company in York.

他们决定将新成立的公司总部设在约克郡。

相关介绍

They won by a single goal after extra time.

他们在加时赛中仅踢进一球即获胜。

The treatment they gave him did him more harm than good.

他们的治疗对他弊多于利。

They've increased the price by 50%.

他们已经把价格提高了50%。