這三個條件是充分條件：是說這幾個條件滿足後一定能勝，沒有說沒滿足時一定不勝。既然是充分條件，也就告訴了人們努力的方向。

來源: 方外居士於 2025-08-22 16:31:03 [舊帖] [給我悄悄話] 本文已被閱讀：次

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