The absence of a humane and sustainable national immigration policy threatens this great asset .

缺乏人道、可持续的国家移民政策将危及这一伟大资产。

A jam in the flow of credit to homebuyers threatens an already vulnerable economy .

当通向屋主的信用不畅时会危及已经很脆弱的经济。

Yet turmoil in journalism threatens our ability oversee the people who act on our behalf .

然而新闻的混乱会危及社会对用权者的监督能力。

Contested issues have included supposedly confiscatory taxes , a law that threatens media freedom and central-bank independence .

极具争议性的议题可能包括税收问题和一项将危及媒体自由和中央银行独立性的法律。

A second lesson is that washington will not be doing anything to address the fiscal imbalance that threatens america 's long-term economic vitality .

第二点是美国政府将不会采取任何举措、来解决危及美国长期经济活力的财政失衡问题。