You have to do everything you can, you have to work your hardest, and if you do, if you stay positive, you have a shot at a silver lining. 你需要尽你所能，限度地去努力，只要你能这么做，只要你保持乐观，你就能看见乌云背后的幸福线。

　　【重点词汇】

　　have to do 必须，不得不做

　　例句：I have to work tomorrow.我明天上班。

【责任编辑：屈应兰】