那就得多练。还要有经验的在旁及时指导。坏习惯一旦养成，改起来很难。

来源: 总要注册于 2020-10-09 16:02:19 [旧帖] [给我悄悄话] 本文已被阅读：次

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那就得多练。还要有经验的在旁及时指导。 坏习惯一旦养成， 改起来很难。