A professional who designs and executes marketing strategies and campaigns.

• Also called a marketeer in UK English.

制定并执行营销战略与活动的专业人员。

• 负责市场调研、品牌推广与宣传。

Someone who sells products or services, for example at a market.

• A seller or vendor.

出售商品或服务的人，例如在集市上卖东西。

• 商贩或卖主。