VOA慢速英语:American History: Black Americans Set Out in Search of a Better Life in 1920s Society

例句：His speech did nothing for racial concord.
      他的讲话对种族和谐没有作用。

      They have long been involved in a crusade for racial equality.
     长期以来他们一直致力于争取种族平等的运动。

2.unlawfully adv.非法地,不正当地

3.imaginative adj.富于想像力的; 运用想像力的

例句：The imaginative child made up fairy stories.
      这个想像力丰富的孩子自己编神话故事。

4.generally adv.一般地, 通常, 大体上, 广泛地, 普遍地

例句：We generally go to the sea for our holidays.
      我们通常去海边度假。