keep pace with & keep step with怎么区别～～

请问：keep step with和keep pace with的区别? keep pace with the keep pace with catch up with /keep up with /keep pace with keep pace with / catch up with/ keep abreast with the latest keep pace with the times the time times 怎么翻与时俱进? 英语翻译要求句子里面用 keep pace with . keep pace with the mean of transport是什麽意思 帮我把以下的词语连成短文:pace.at a fast pace.keep pace with.set the pace catch up with&keep up with区别 keep up to与keep up with的区别 英语翻译1 I have a sense of good fortune to keep pace with Beiji