WASHINGTON, Aug. 2 (Xinhua) -- U.S. Transportation Secretary Sean P. Duffy on Friday announced that the Federal Railroad Administration (FRA) will cancel two grants totaling over 26 million U.S.

今年 2 月，一篇发布在 上的预印本论文让数学界在震惊与欣喜中迎来了一位大胆的新天才。这篇论文的作者名叫汉娜·凯罗（Hannah Cairo），年仅 17 岁的她破解了一项调和分析领域近 40 ...

去年帮助中华队夺下世界12强棒球赛冠军的旅美铁捕林家正，日前遭奥克兰运动家2A球队Midland RockHounds释出后，今天传出好消息。林家正已与南马里兰蓝蟹队（Southern Maryland Blue Crabs ...

U.S. public opinion largely dismisses the allegation as unfounded, while critics say Trump is effectively firing the messenger. Economists say sharp downward revisions to job growth figures from the ...

O Federal Reserve (Fed, banco central dos Estados Unidos) manteve sua taxa básica de juros inalterada entre 4,25% e 4,5%, ...

如今，跻身百万富翁行列的普通美国人数量激增，这一阶层曾是名人富豪和企业高管的专属。但随着百万富翁队伍的扩大，其身份象征意义正在发生变化，人们对“富豪”的定义也已今非昔比。