英译汉333331.unelss (除非）the men have to be ahead of the ladils(

英译汉33333
1.unelss (除非）the men have to be ahead of the ladils(女士）to choose (选择）the table,to open the door of a car or do some other things like the above.in the street men almost always walk or cross the street on the closer side of the ladies to the traffic.but if a man walks with two ladies,he should walk in- between them.then if the host(主人）or hostess (女主人）or both of them come in a car to get their guest(客人）for dinner,the guest should sit at the front seat and leave the back seat though （虽然）there is no people sitting on it.