25个人，可能只有10个人能听懂教授讲课。50个人里面，可能还是那10个能听懂。人数越多，质量可能会下降

来源: wuwang 于 2026-02-27 14:09:23 [旧帖] [给我悄悄话] 本文已被阅读：次

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