trendsetter
noun [ C ] uk/ˈtrendˌset.ər/ us/ˈtrendˌset̬.ɚ/
（尤指在服饰方面）引领时尚者，开创新潮流者
a person, organization, etc. that starts new fashions, especially in clothes
They are not only the biggest fast food chain, but also the industry's trendsetter. 他们不仅是世界上最大的快餐连锁店，而且是该行业的潮流领导者。