In a sense, sexual selection is the psychological extension of natural selection. But, instead of gaining an advantage from traits that enhance one’s ability to survive, one gains an advantage from qualities that potential mates have evolved to find appealing.
从某种程度上说，性选择是自然选择的心理延伸。但是，我们并没有从增加我们生存能力的特征中获得优势，而是从潜在伴侣进化出来的寻找吸引力的品质中获得优势。