我并不是一个利他主义者。
利他主义者不是继续进行无私的行为，而是试图强迫违反者改变。
The altruist, instead of continuing to perform selfless ACTS, will try to compel change in the offender.
他们长的很像，但性格迥异：一位是明显的不关心，另一位看起来则是个利他主义者。
They look alike but seemed opposite in personality. One was clearly aloof but the other appeared to be an altruistic individual.
不过其中最令人印象深刻的是，目前从整个事情的处理方式看来，罗琳设法变成一个利他主义者。
The most impressive thing of all, though, is the way Rowling has managed to present the whole thing as an act of altruism.
我购买这家工厂，不是因为我是一个利他主义者，而是因为我指望它能在几年后给我挣一大笔钱。
I'm not buying the factory because I'm an altruist. I expect it to be making me a lot of money in a few years 'time.
假设你的子女都是贝克·巴罗式的利他主义者，这意味着他们关心的不是自己赠予多少钱，而是他们的孩子能够从各种来源获得的总额。
Assume your children are Becker-Barro altruists. This means that they care not about how much cash they give, but about the total sum their children receive from all sources.
他认为，自然选择对于那些曾经是利他主义者的人是有利的，因为我们的祖先生活在小而密集的群体中，人们的利他主义可以指望得到相互间的利益互惠。
He argues that natural selection favored humans who were altruistic because in the small, close-knit groups in which our ancestors lived, altruists could expect reciprocity.
他认为，自然选择对于那些曾经是利他主义者的人是有利的，因为我们的祖先生活在小而密集的群体中，人们的利他主义可以指望得到相互间的利益互惠。
He argues that natural selection favored humans who were altruistic because in the small, close-knit groups in which our ancestors lived, altruists could expect reciprocity.
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