lag behind the times meaning in English

落后于时代

We must keep on learning / studying if we do not want to lag behind the times
如果我们不想落在时代后面的话，就必须不断学习。
In modem times , the reason why the agriculture of russia lags behind the times , besides the social cause of the un - sufficient reform of serfdom system , lies in the backward technology
摘要近代俄国农业落后，除了农奴制改革不彻底的社会原因之外，还有技术原因。
The modernization of legislation : prc ' s legislation is lagging behind the times , its prevalent law emphasizes the protection for carriers and the administrative measures by the government , and it is short / want of regulating mechanism by the market
立法现代化：中国的立法处于滞后的状态，现行法规偏重于保护承运人，偏重于行政运作，缺少市场调整机制。
The implementation of the insurance system for construction project is an import measure on the insurance for the construction project , however , lags behind the times and the project of insurance services has encountered various difficulties
实施建筑工程保险是转移风险的一个重要措施。但是我国建筑工程保险的理论研究十分滞后，保险实践困难重重。研究建筑工程保险机制，具有开创性的现实意义。