import penetration is already significant for provisionally preserved, dried, and frozen vegetables and for processed and simply preserved fruits.
进口突破对果酱,阴干和速冻蔬菜,还有经过简单的加工的水果意义重大。
therefore, import penetration has different mechanisms on labor income share in different stages.
因此,进口渗透率在不同阶段作用机理不同。
in the time of import-export related processing trade in the pearl river delta, import penetration rates promote labor demand and thus raise the labor income share.