What exactly does it mean to “debit” and “credit score” an account? Why is it that debiting some accounts tends to make them go up, but debiting other accounts would make them go down K?t Qu? X? S? K?t Qu? X? S? Mi?n Nam K?t Qu? X? S? Mi?n Trung K?t Qu? X? S? Mi?n B?c KQXS