Japan came last in a 29-country study of *ual satisfaction published by the University of Chicago last year, with a mere 25.7 percent of lovers expressing satisfaction in bed.

• 芝加哥大学去年公布的一项涉及29个国家的调查显示，日本的性满意度最低，只有25.；7%25的情侣对性生活感到满意。