Hi, everybody.嗨，大家好！Our top priority as a nation is reigniting the true engine of our economic growth—a rising, thriving middle class.作为一个国家的我们，最高任务就是重新点燃促进经济增长的真正引擎：一个不断增长、复苏繁荣的中产阶级。And few things define what it is to be middle class in America more than owning your own cornerstone of the American