那些心甘情愿付出不求回报
[nèi xiē xīn gān qíng yuàn fù chū bù qiú huí bào]
'Nàxiē xīngānqíngyuàn fùchū bù qiú huítài' can be described as 'Willing Sacrifice Without Reward' symbolizes acts of genuine love, kindness, and sacrifice done freely without any expectation for returns or rewards.