Their incarceration rate is seven times the national average .

监禁率也达全国平均水平的7倍。

Then there is the awkward issue of incarceration .

接下来一个令人尴尬的问题出现了监禁。

America 's phenomenally high incarceration rate also plays a part .

美国的高监禁比例现象也起了一部分作用。

Excessive incarceration is an americanproblem .

过多的监禁是美国的一大问题。

States seem to have realised at last that incarceration is expensive .

各州似乎终于意识到，监禁是要花钱的。