Because immigrants are likely to be of working age and employed, they also paid nearly $100,000 more in taxes than the average native-born American, the study found. In their absence, national debt would reach approximately 200% of GDP, rather than the currently estimated 120%.
Bloomberg via Getty Images
，详情可参考服务器推荐
Раскрыты подробности о договорных матчах в российском футболе18:01
北京时间2月28日，WTT新加坡大满贯女单1/4决赛继续进行。王曼昱以4-2战胜张本美和 ，晋级四强。（央视新闻）