darkness would make him cherish his sight,and silence would teach him the joys of sound
网友回答
这是海伦·凯勒（假如给我三天光明）里面的一句话
darkness would make him cherish his sight,and silence would teach him the joys of sound
黑暗将使他们更加珍惜光明；寂静将教会他们真正领略喧哗的欢乐……
======以下答案可供参考======
供参考答案1:
黑暗使他珍惜他所看到的，寂静让他领会到了声音的快乐
供参考答案2:
黑暗会使他珍惜他的视力
沉默会让他明白声音的乐趣