타인의 복지를 위해 자신을 희생하거나 대가를 바라지 않고 돕는 마음이나 행동.
Selfless concern for the well-being of others, often involving self-sacrifice without expecting personal gain.
예문:
"The volunteer's altruism inspired many others in the community to join the cause."
"Philosophers often debate whether pure altruism exists or if all actions are secretly self-serving."
동물이 자신의 생존이나 번식 기회를 희생하면서 다른 개체의 생존을 돕는 행위.
Behavior by an animal that increases the fitness of another individual while decreasing its own fitness or survival chances.
예문:
"Kin selection explains why some animals show altruism toward their close relatives to ensure the survival of shared genes."
"The alarm calls of ground squirrels are a classic example of altruism in the wild, as they alert others while drawing attention to the caller."