altruism

/ˈæltruɪzəm/📚 16278托福
Altruism is unselfish concern for other people's happiness and welfare. 利他主义

noun [抽象名词]利他;利他主义

Fortunately, volunteers are not motivated by self-interest, but by altruism.
幸运的是,志愿者们不是被自身利益而是被利他主义推动。

altru (其他) + ism (主义) → 利他主义
单词造句:
网友用“Altruism”造句精选
Some even act out of sheer altruism. 有些行为甚至完全是利他的。
I don't think altruism is boring. 我不认为奉献是无聊的。