Crime rate
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犯罪率, 犯罪发生率
the number or frequency of criminal offenses that occur within a specific population or geographic area over a particular period of time, often expressed as a ratio or percentage
例子
The city ’s crime rate has decreased due to better law enforcement.
由于更好的执法，这座城市的犯罪率下降了。
A high crime rate can affect property values in a neighborhood.
高犯罪率会影响一个社区的房产价值。
