Under Mr Obama's proposals, which are likely to be included in this year's budget document, US companies would no longer be able to claim deductions against their tax bill before they had paid taxes on offshore profits. 根据奥巴马的提案,在美国企业对海外利润纳税之前,将不再能够申请税收扣减。这些提案可能会纳入今年的预算文件。