1.The bottom line, he said, is that altruism may rely on a basic understanding that others hae motiations and actions that may be similar to our own.
说,底线是主义可能是基于这样的基本认识:别人也有和我们自己近似的动机和行为。
2.The strength of altruism lies in the fact that altruistic acts undeniably occur in any society and that moral codes universally advocate altruism or benevolence and condemn selfishness.