奥巴马每周电视讲话:总统实施移民责任管理政策
Hi everybody. Today, I'm at Del Sol High School, in Las Vegas, to talk with students and families about immigration. 大家好！今天，我来到了拉斯维加斯的德素高中，与这里的同学和家长们谈论移民问题。 We are a nation of immigrants. It has always given America a big advantage over other nations. It keeps our country young, dynamic, and entrepreneurial. But today, our immigrati...