Peng's Coefficient is inversely proportional to Engel's Coeffient, because the more proportion people spend on food, the less proportion on culture and spirit.
彭氏系数通常跟恩格尔系数成反比，因为人们在食物上的支出比重越大，在精神文化上的消费往往会减少。
Peng's Coefficient is inversely proportional to Engel's Coeffient, because the more proportion people spend on food, the less proportion on culture and spirit.
彭氏系数通常跟恩格尔系数成反比，因为人们在食物上的支出比重越大，在精神文化上的消费往往会减少。
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