推销和营销的英文分别是 "selpng" 和 "marketing"。

"Selpng" 来自古英语 "sellan"，意思是 "to give or depver something in exchange for money"，即用金钱来换取某物。"Marketing" 则来自拉丁文 "mercari"，意思是 "to trade"，即进行贸易。

一些英文例句及其中文翻译如下：

"The company's sales team is responsible for selpng our products to customers." (公司的销售团队负责向客户推销我们的产品。)
"Marketing is crucial for attracting new customers and increasing sales." (营销至关重要，可以吸引新客户并提高销售额。)
"We need to come up with a marketing strategy to promote our brand." (我们需要制定一项营销策略来推广我们的品牌。)
"The company is offering discounts to customers as part of its selpng strategy." (公司正在向客户提供折扣作为其销售策略的一部分。)