keep th up to date页变化的速度
keep up to date with始终跟上
to keep up to date保持现行;与时并进
keep up-to-date赶时髦
keep up-to-date with events密切关注时事
Keep an up-to-date follow-up每天及时跟进订单的进度情况并及时汇报
Keep the club bulletin up-to-date保持社刊最新资讯
keep skills fresh and up-to-date使技能可以不断更新;使得技能可以与时俱进;保证技术的不落伍;使得