1. There are about thirty-one million blacks in the U.S. 美国大约有三千一百万黑人。
2. It's a school that's brought blacks and whites and Hispanics together. 这是一所让黑人、白种人和西班牙裔人走到了一起的学校。
3. He was a champion for Latinos and blacks within the educational system. 他一直在教育系统内为美籍拉美人和黑人争取权益。
4. She says blacks who identify with the Democratic Party have fallen from the 90th percentile down to around 70 percent. 她说黑人中支持民主党的人数比例从百分之九十下降到大约百分之七十。
