When the caregiving is being done there is certainly an expenditure of time and energy and even the need to abandon a job, but once the elderly person has passed on, although the work of the caregiver is over, her "sad song" is not.
在照顧的當下，固然耗費時間、體力，甚至還得放棄工作；當老人家走了之後，照顧工作雖然結束，但照顧者的「悲歌」仍未終了。