家有stem 娃，我觉得最有用的EC 就是辩论，虽然他的辩论成绩是所有EC 里最弱的，不管流不流行，对自己有帮助就好

来源: beibei_2018 于 2025-10-30 12:09:41 [旧帖] [给我悄悄话] 本文已被阅读：次

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