难点解析benefit n.利益 好处vt.有益于 有助于vi.获益 受益于 (常与from by连用) [典型例句] 1) Because of illness she didnt get much benefit from her stay abroad. 她待在国外因生病而未得到多大好处2) Exercise benefits our health. 运动有益于我们的健康3) The pla