特朗普税改案在美国众议院委员会未通过，共和党在成本问题上有分歧

Core Viewpoint - The Trump tax reform proposal has not passed in the U.S. House committee due to disagreements among Republicans regarding cost issues [1] Group 1 - The failure of the tax reform proposal highlights internal divisions within the Republican Party, particularly concerning the financial implications of the reform [1] - The cost concerns raised by Republican members indicate potential challenges in achieving consensus on fiscal policies moving forward [1]