verb · to prevent or spare someone from an unpleasant situation or complication

这种新设备可以免除手工操作的烦恼。

verb · to release or excuse someone from a duty, requirement, or punishment

医生建议免除他的夜班。

verb · to cancel or waive a debt, tax, or financial penalty

政府决定免除这些贫困地区的学费。