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朋友陈君在纽约生活,他每年都去参观当地的Postage Stamp Mega-event(暂译为:集邮大会。以下简称“大会”)。这是一项由美国邮政局、美国集邮联和美国邮商联合会共
His friend Chen Jun lives in New York City. Every year, he visits the local Postage Stamp Mega-event (tentatively translated as: Philatelic Conference. This is a total by the United States Post Office, the United States Philatelic Society and the United States Postal Federation