The economy of Pittsburgh, Pennsylvania, has grown far beyond its steel industry roots. Yet when President Joe Biden visited on Wednesday, his only stop was to the headquarters of the United Steelworkers.
賓夕法尼亞州匹茲堡的經濟發展已遠遠超越了其鋼鐵工業的根基。然而，當喬?拜登總統周三訪問匹茲堡時，他唯一停留的地方是鋼鐵工人聯合會的總部。
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