Ensures that all complaints are reviewed, investigated and follow-up action is initiated.
Ensures that all complaints are reviewed, investigated and follow-up action is initiated.
确定所有投诉都已经过认真调查，并已开始实施补救行动。
Ensures that all complaints are reviewed, investigated and follow-up action is initiated.
确定所有投诉都已经过认真调查，并已开始实施补救行动。