Warning: Missing argument 3 for write(), called in /www/wwwroot/shijiebei05.com/incs/robot.php on line 68 and defined in /www/wwwroot/shijiebei05.com/incs/data.php on line 487 #本周热读 为什么美国年轻人越来越不想结婚了?社会学家Mark Regnerus认为,这是因为现在性变得廉价了,男性不结婚也能轻易获得性满足。你怎么看?