调查：40%的日本人一个月不过性生活Survey： 40 pct. in Japan not having sex
ThesecretbehindJapan'splungingbirthrate?Arecord39.7percentofJapanesecitizensages16-49havenothadsexforoveramonth-up5percentagepointsfromtwoyearsago-accordingtoasurveypublishedthisweekbytheJapanFamilyP...