起重机的例子很能说明问题：要革新，就必然有淘汰：动作小一点是改良，动作大一点就是失控乃至革命。

来源: 方外居士于 2025-09-27 12:24:52 [旧帖] [给我悄悄话] 本文已被阅读：次

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