The answer is simple. He sees the error of his ways and reforms. He realizes that Elizabeth, however poor or socially inferior, is completely worth any sacrifice.

• 答案非常简单。他认识到了自己的错误言行,并且努力去改正。他终于明白,不管伊丽莎白多么贫穷,地位多么卑微,她却完全值得为之付出所有。