A、道歉語應(yīng)當(dāng)文明而規(guī)范 B、道歉應(yīng)當(dāng)及時(shí) C、道歉應(yīng)當(dāng)大方 D、道歉應(yīng)盡量謙卑,貶低自己,抬高客戶