al·tru·is·tic
adjective/ˌæltruˈɪstɪk/
/ˌæltruˈɪstɪk/
(formal)- caring about the needs and happiness of other people and being willing to do things to help them, even if it brings no advantage to yourself
利他主义：关心他人的需求和幸福，愿意做些事情来帮助他们，即使这对自己没有好处 - altruistic behaviour
利他行为
- altruistic behaviour