Hi, everybody. On Friday, I met with leaders of both parties in Congress to try and find a way forward in light of the severe budget cuts—known in Washington as "the sequester"—t

If the axis-tilt theory had been refuted, 倘若“地轴倾斜”理论被观察否定了 its defenders would have had nowhere to go. 它的支持者们就无路可退了 No easily implemented change could make that tilt 没有什么信手拈来的变动能让地轴的倾斜 cause the same

Thank you so much! Ms. Janelle Monáe! Come on out here and give a bow! Thank you so much. So in addition to Janelle Monáe, please give Kendrick Lamar a big round of applause! Here he is, right here. S

Hi, everybody. It is the most wonderful time of the year – and not just because it's the holiday season, but because it's also open enrollment season over at HealthCare.gov. I know that was a dad joke

2009年9月8日，奥巴马总统在弗吉尼亚州阿灵顿郡（Arlington, Virginia）韦克菲尔德高中（Wakefield High School）对全美中小学生发表讲话，强调上学读书的重要性，激励学生努力学习。以下是讲话全文： REMARKS BY THE PRESIDENT IN A NATIONAL ADDRESS TO AMERICA’S SCHOOLCHILDREN Wakefiel