philadelphia词根是希腊词philos(love or friendship)&adelphos(brother)也叫做City of brotherly love作为美国历史最悠久的城市费城是独立革命的发源地国产自拍是独立宣言的诞生地We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness. 费城一个非常重要的有色人种聚集区