美国总统奥巴马利用他每星期六广播和因特网讲话的机会简述了减税方案的好处，该方案是他在去年12月签署成立法的。
U.S. President Barack Obama used his weekly radio and Internet address Saturday to outline the benefits of a tax cut package he signed into law in December. President Obama says the tax cut compromise reached with Republicans will help grow the U.S. economy. "Independent experts have concluded that…