人们通常认为:男人要比女人花心。科学家的研究结果似乎也证实了这一观点,美国公布的一项研究认为,男人性伴侣数目的中间值是7,女人是4。英国学者的研究结果是,平均起来,每个男人一生共有12.7名异性性伴侣,女人为6.5个。不管哪 People usually think: men than women. The findings of scientists seem to confirm this view. A study published in the United States concluded that the median number of male sexual partners is 7 and that of women is 4. As a result of the British scholars’ study, on average, each man has a total of 12.7 heterosexual partners in his / her lifetime and 6.5 women. No matter what