nhin len cau thay troi xanh ... nhin xuon thay mat dat.... nhin xung quanh toan la qui voi ma

doi khi ta nen dung buoc lai ....nhin xuon ban chan minh da dc bao nhieu buoc ...? moi nguoi da bao lan sai lam .....?? do la nhung con so khong the nao ngo.. con nguoi ko bao gio bo dc sai lam cua minh cu lap di lap lai ...... ta nen tim loi re moi co the no do ta tim dc nhung j minh can .....