有人说，暑假班上这种credit course, 连续上五周，每天上四个小时，说学习效果不好，想请教一下有经验的家长。

来源: niuma2012 于 2024-04-03 14:41:03 [旧帖] [给我悄悄话] 本文已被阅读：次

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