surtax
🇺🇸
/ˈsɜːrtæks/
🇬🇧
/ˈsɜːtæks/
An extra amount of tax added to the normal tax on income that is above a certain level.
Due to the economic crisis, the government imposed a surtax on high-income earners.
由於經濟危機,政府對高收入者徵收了附加稅。