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the hunting season ends if and when hunting has reduced the population by five percent, according to official estimates这个restriction的作用是在snow geese被打猎到降低5%数量时停止打猎期 C.The number of snow geese taken by hunters each year has grown every year for several years.这项说猎人能达到的snow geese的数量连续几年增长,说明5%对应的数字在增长,乘数变大,说明即使有5%的restriction时snow geese数量也在增长啊,从而undermine |
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