A hearing aid is a necessary auxiliary to those whose hearing is impaired.助听器对听觉受损者是必要的辅助物。There were both gainers and losers as a result of the tax changes.税收系统改变后，既有获利者，也有受损者。The cut in benefits for the unemployed is a classic case of blaming the victim.削减失业救济金是将责任推给利益受损者的典型例子。