某企业原来经营专为高档消费群体的“向阳”牌服装,该市场成功后,又以该品牌进人中档消费市场,这一品牌策略就是
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧