The economy has started to pep up in recent months.近几个月来,经济开始复苏。To pep up sales, the company is offering a free trial subscription for one month.为了激励销售,公司正提供一个月免费试用的订购服务。They need all the novelty they can find to pep up an inferior product.他们要利用可以发现的一切新奇点子来提升劣等产品的吸引力。