批零

dāng chéng shì huà lǜ dá dào yī dìng de gāo dù pī líng xì shù huì chéng xià jiàng qū shì

当城市化率达到一定的高度，批零系数会呈下降趋势。

When urbanization rate reaches certain period, the wholesale and retail coefficient is decreasing.

pī líng jiān yíng jīng jì

批零兼营经济

wholesale and retail business