Pre-sale services售前服务
PRE-SALE CONFUSION售前混淆
Pre-sale time预售时间
Pre-sale permit商品房预售许可证
NEW PRE-SALE预售区
pre-sale testing出售前检验
housing pre-sale房屋预售
pre-sale trap预售陷阱
pre-sale service售前服务
N（名词） the practice of arranging the sale of a product before it is available 预售