Exchanging value is the expressional form of value.交换价值是价值的表现形式.His speech is about expressional arts.他的演说是有关表现艺术的.Accompany with risk process of population development, its expressional forms are diverse in different st...
他是波兰地下组织的情报员，被空降到华沙。He was a courier for the Polish underground and parachuted into Warsaw.他刚刚的表现正是自我旅行中的情报员角色!He's just acting out the secret agent portion of his ego trip.进阶题:请用类似的想法来解决五名情报员的问题.Similar reasoning w...