keep up to date６短语⁵⁴⁶³⁸ 基本例句 赶时髦 It pays to/span> keep up to date with your work. 工作能跟上时代是值得的。 blog.sina.com.cn Marketing as a philosophy and a concept must keep up to date with technological trends. 市场营销就像哲学，它的理论必须与时俱进，必须符合技术发展趋势。 yeeyan Throw away your old clothes, keep up to date! 把你的旧衣服扔了吧，穿些时兴的！ iciba