1. I doubt that we are altruistically concerned for our peers' wellbeing. 我并不相信我们真是无私的关心着他人的健康。
2. An unexpectedly large fraction of players acted altruistically to protect their weaker friends. 远远超出人们的预料,有很大一部分玩家在游戏中无私地保护那些弱者朋友。
3. I am not concerned here with the psychology of motives. I am not going to argue about whether people who behave altruistically are "really" doing it for secret or subconscious selfish motives. 这里我的旨趣不在动机的心理学方面,我不准备去论证人们在做出利他行为时,是否“真的”私下或下意识地抱有自私的动机。
4. I am not concerned here with the psychology of motives. I am not going to argue about whether people who behave altruistically are 'really' doing it for secret or subconscious selfish motives. 这里我的旨趣不在动机的心理学方面,我不准备去论证人们在做出利他行为时,是否“真的”私下或下意识地抱有自私的动机。