In ordor to promote the sale,I offer a bonus sale of a second shirt at 50% off the regular price.
问题描述：
In ordor to promote the sale,I offer a bonus sale of a second shirt at 50% off the regular price.
答
为了催销，我答应在常规价格上让出50%作为第二次销售资金
答
为了提高销售量,若购买2件衬衫,第二件就可以有五折优惠