In all three of America's biggest cities, murder rates have fallen to their lowest levels since the nineteen sixties.
在所有美国三个最大城市中，凶杀案的比率已经降到上世纪六十年代以来的最低点。
A crude way of trying to settle which camp is correct is to compare murder rates in jurisdictions with and without capital punishment.
解决两个阵营争议的一个粗略方法是比较有死刑和没有死刑辖区的谋杀案发率。
It finds that countries with good governance are much less likely than their peers to have suffered from civil conflict or high murder rates in 2000-05.
报告发现在2000年至2005年间，治理状况良好的国家遭遇内部冲突或谋杀案件高发生率的可能性远远小于同等国家。
Yet South Africa still has one of the world’s highest murder rates, at 37 per 100, 000 inhabitants: six times America’s rate and nearly 20 times Britain’s.
然而，南非仍然是世界上故意杀人案发案率最高的国家，每10万人发案37起，这一数字是美国的6倍，接近英国的20倍。
Yet many other factors influence murder rates—unemployment, the probability of getting caught, the availability of guns, the proportion of young men in the population and so on.
但很多其他因素影响着谋杀案发案率——失业率，被抓住的可能性，能否搞到枪支，人口中的青年人比例以及其他因素。
Nor do stronger punishments and more police keep murder rates down.
更严厉的惩罚和更多警察维持治安也不一定使谋杀率下降。
Centerwall also found that in South Africa, where television was not generally available until 1975, national murder rates started rising about a decade later.
森特沃尔还发现，南非直到1975年才普及电视，而全国谋杀发生率在约10年以后开始上升。
The long-term trend of declining crime rates continued over the past eight years, although a number of large cities have seen a recent uptick in their murder rates.
在过去的八年里，犯罪率持续下降，尽管很多大城市的谋杀率最近有了上升。
The long-term trend of declining crime rates continued over the past eight years, although a number of large cities have seen a recent uptick in their murder rates.
在过去的八年里，犯罪率持续下降，尽管很多大城市的谋杀率最近有了上升。
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