美国总统特朗普：如果2017年的减税措施不延长，增加税收是不可持续的。

Core Viewpoint - President Trump stated that if the tax cuts implemented in 2017 are not extended, the increase in tax revenue will be unsustainable [1] Group 1 - The 2017 tax cuts were significant in shaping the current fiscal landscape [1] - The sustainability of tax revenue is questioned without the extension of these tax cuts [1] - The implications of tax policy changes could affect economic growth and investment strategies [1]