ludwig教了父母一些方法，如何通过强化好习惯来与孩子共同努力，而不是通过惩罚坏习惯来和他们对立。
Ludwig gives parents tips on how to work with their kids, not against them, by reinforcing good habits instead of punishing bad ones.
ludwig教了父母一些方法，如何通过强化好习惯来与孩子共同努力，而不是通过惩罚坏习惯来和他们对立。
Ludwig gives parents tips on how to work with their kids, not against them, by reinforcing good habits instead of punishing bad ones.
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