上公共厕所，男左女右；
On public toilet , male left female right ;
在我们的日常生活中，男左女右，好像约定俗成地渗透到了我们社会生活的各个方面。
In our daily life , the custom of male left female right has been deeply penetrated in our social life as a convention .
男左女右男左女右男左女右