他通过投资房地产变得非常富有。

He became very ___rich by investing in real estate.

这个地区的矿产资源非常丰富。

This region has ___rich mineral resources.

这块巧克力的味道浓郁而丰富。

This chocolate has a ___rich and deep flavor.

他说自己太忙没时间健身——这话从他这个整天刷手机的人嘴里说出来可真够讽刺的。

He says he's too busy to exercise—that's pretty ___rich coming from someone who spends all day scrolling on his phone.