无私地

She donated a significant portion of her wealth to charity, purely out of altruistic motives.
她出于纯粹的利他动机，将自己相当一部分财富捐赠给了慈善机构。
He volunteered at the local soup kitchen every weekend, driven by his altruistic desire to help those in need.
他每周都会出于帮助有需要的人的利他愿望，在本地施粥处做志愿者。
The organization's mission is to promote altruistic acts and encourage a culture of giving back to society.
这个组织的使命是推广利他行为，并鼓励回馈社会的文化。
His decision to become an organ donor was motivated by a deep sense of altruism.
他决定成为器官捐献者，这一行动源于深深的利他主义情感。
Altruistic behavior is often seen in social animals that will risk their lives to protect others in their group.
在一些社会性动物中，我们经常可以看到它们为了保护群体中的其他成员而甘冒生命危险的利他行为。
The firefighter demonstrated remarkable altruism when he rescued the child from the burning building.
当消防员从燃烧的大楼中救出孩子时，展现出了卓越的利他精神。
True altruism involves putting others' needs before your own without expecting anything in return.
真正的利他主义是指不求回报地把别人的需求置于自己的需求之前。
The philanthropist believes that everyone should practice altruism as a way to make the world a better place.
这位慈善家认为每个人都应该通过实践利他主义来使世界变得更好。
In times of crisis, it's inspiring to see how many people act altruistically to support their communities.
在危机时期，看到那么多人为了支持社区而表现出的利他行为令人深受鼓舞。
Many volunteers participate in international aid programs, driven by a strong sense of altruism and global solidarity.
许多志愿者参与国际援助项目，受到强烈的利他主义和全球团结感的驱动。