时移势迁

Explanation: When different, the situation has changed. 　　Source: "Old Five Dynasties Tangshu Wu Wong Chi under" What, then monarch and his uncertain place, tomb valley change, or plug Chui river, mud seal Hangu, times have changed, the rationale that thousands of beads. " 　　Examples: Huan room doorway to say, scholars of the ordinary, look if the sky; ~, for the ground cover beyond all the king to the people fled. (Yuan favors "quiet apartment investment harmonic even remember")