But 70 years later, the issue of school segregation has gotten more complex.

但70年后，学校隔离问题变得更加复杂。

And it used lawsuits, targeting voter disenfranchisement and school segregation in decade-long court battles.

它使用诉讼，在长达十年的法庭斗争中针对剥夺选民权利和学校隔离。

Some researchers say that despite the continuing ban, school segregation has gotten worse over the years, even as the U.S. overall has become more racially diverse.

一些研究人员表示，尽管禁令仍在继续，但随着美国整体上变得更加种族多样化，学校种族隔离多年来变得更加严重。

De jure school segregation may be over, but de facto segregation has all but insured that the public school system remains separate and unequal for many Americans.

法律上的学校隔离可能已经结束，但事实上的隔离几乎确保了公立学校系统对许多美国人来说仍然是独立和不平等的。

Finally in 1971, almost 20 years later, the Supreme Court again had a case in which it decided that it was legal to use busing to end this school segregation.

终于在将近 20 年后的 1971 年，最高法院再次审理案件， 裁定使用公交车结束这种学校隔离是合法的。