爱与疑惑交织的真相含紧了一滴都不许漏出来

　　An anthropologist from an alien planet provides voice-over commentary for a documentary look at human courtship, mating, and reproduction: "complex, perverse, tragically beautiful: the earthbound human." The commentary gets some of the details comically wrong (explaining the slap on a newborn's back: "they don't like the looks of the child so they beat it"), but gets right the ... (展开全部)