by courtesy of 蒙……的好意；蒙……惠允；蒙……提供；徵得……許可；承……好意贈送［借用］；由……提供；經由……的途徑

courtesy of music 禮樂
courtesy of talking 言談的禮儀
stand at the courtesy of; stand to the courtesy of 有賴於……的寬容或好意