ong before the first Europeans arrived in the New World, a strange looking animal lived on the rich grasses of the western plains.

VOA: special.2009.02.15

The land was so rich and it was really cheap at first.

这片土壤十分肥沃,并且最初还十分便宜

耶鲁公开课 - 美国内战与重建课程节选

She was a businesswoman, the first female African American to become very rich.

VOA: special.2010.03.28

Sankoh,a former army corporal and photographer, led the first attacks on villages in a diamond-rich province of Sierra Leone in 1991.

VOA: standard.2009.09.23