alter ego
(pl alter egos) (Latin 拉) intimate friend; person very like oneself 知己; 至友; 挚友; 至交; 极像自己的人
He's my alter ego, we go everywhere together. 他是我的知己--彼此形影不离.
He says nothing about the poor selection of goods in the shops, or about those unfortunate people who have to travel from the country to the city every day to get to work.