Privately, Mr. Obama has been lobbying undecided members of the U. S. House of Representatives to vote for his sweeping health care reform bill.
欧巴马本人也一直在私下游说尚未作决定的众议员投票支援他的医改法案。
The epidemic is expected to add billions of dollars to the U. S. health-care bill.
这一问题预计将增加美国数十亿美元的卫生医疗开支。
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