expression · The continuous process of new things or ideas evolving and replacing the old to drive progress.

科技的发展如同长江后浪推前浪，旧的技术很快就被更先进的发明所取代。

expression · The phenomenon where a new generation replaces and often excels the previous one.

长江后浪推前浪，许多年轻优秀的运动员正逐渐在国际赛场上崭露头角。