itemized deductions are permitted for expenditures on particular goods and services. they are phased out at high-income levels.
特定商品和服务的支出可以分项扣除,并在高所得水平上逐步减少。
on their federal return, the obamas claimed itemized deductions of $78, 269 for state and local taxes and $49, 945 for home mortgage interest on their home in chicago.