“优惠”之忧杜清剑逛市场，经常见经商者打出＂优惠＂招牌，让利几分以招深顾客。身为受惠者，起初颇领情。后见纷争的＂厂价销售＂、＂大削价＂、＂忍痛大甩卖＂，又生疑窦，老板们何以甘心让利？经商是这样。发展乡镇企业，有没有这种现象呢？为促进经济的腾飞，各乡镇... “Preferential” worries Du Qingjian stroll the market, often see the business operators hit the “discount” signs, let the profit a few points to move deep customer. As a beneficiary, initially quite affectionate. See the dispute after the “sale price”, “big price”, “reluctantly big sale”, but also suspicious, the bosses why willing to profit? Business is like this. The development of township enterprises, there is no such phenomenon? To promote economic growth, the township ...