西安PP行xing情qing市shi場chang價jia格ge重zhong心xin偏pian弱ruo，市shi場chang缺que乏fa有you力li利li好hao因yin素su支zhi撐cheng，提ti振zhen效xiao果guo不bu及ji預yu期qi。貿mao易yi商shang多duo采cai取qu隨sui行xing就jiu市shi的de操cao作zuo策ce略lve
，下xia遊you企qi業ye補bu庫ku意yi願yuan平ping淡dan，采cai購gou積ji極ji性xing不bu高gao。