通过选择合适的等待乐曲，该公司电话挂断率下降了50%。

By choosing appropriate waiting music, the abandon rate of this company has reduced by 50%.

youdao

通过选择合适的等待乐曲，该公司电话挂断率下降了50%。

By choosing appropriate waiting music, the abandon rate of this company has reduced by 50%.

youdao