catch up from behind

基本解释

However, from the general view, the legislations in China lag behind the practice. Therefore, the task of how to catch up is both for academic and practical fields.
然而，从总体上看，我国的政府采购立法，还落后于实践的发展，因而，如何迎头赶上，应是理论界与实务界的共有课题。
The idea behind juice fasting is that it’s a temporary detoxification routine which gives your body a rest from digestion and therefore a chance to catch up on toxin elimination.
对于我来说，我希望短期的禁食可以帮助我身体的消化系统休息并清空体内的毒素。
For the above study, enhancing SME's independent innovation capacities based on reverse Engineering is necessary, feasible, rationally select and practical path to catch up from behind.
在前文分析的基础上得出中小企业实施基于反向工程的自主创新策略是必须的、可行的，是后来居上的合理选择和现实道路。