altruism
noun [ U ] uk/ˈæl.tru.ɪ.zəm/ us/ˈæl.tru.ɪ.zəm/
利他主义;无私
willingness to do things that bring advantages to others, even if it results in disadvantage for yourself
She's not known for her altruism. 她并不是一个无私的人。
Opposites: egoismself-interest