如何使用 "altruism" 造句

1. There are also indicators that altruism has biological roots .
可是也有关于利他主义具有生物学根源的证据。
2. Some even act out of sheer altruism .
有些行为甚至完全是利他的。
3. Schadenfreude is unbecoming and not just because of altruism .
幸灾乐祸并不足取,这不仅仅因为我们要无私地帮助别人。
4. And it 's not just about self-confidence or altruism .
而且,这不仅仅关系到自信或利他主义。
5. As group size increases , both forms of altruism break down .
群体规模扩大,这两种利他主义情形便消解。