在美国殖民地，报纸和小册子等广告和传播媒体成为推销商品和服务的主要因素。
In the American colonies, advertising and communications media like newspapers and pamphlets became a major factor in marketing goods and services.
志愿者试图推销服务或商品。
你可以选用黄色来推销孩童产品和休闲商品。
You can choose yellow to promote children's products and items related to leisure.
应用推荐