2. People used to ...However , things are quite different today .

　　过去，人们习惯......但,今天的情况有很大的不同。

　　3.some people think that ...Others believe that the opposite is true . There is probably some truth in both sides.But we must realize that ......

　　一些人认为......另一些人持相反意见。也许双方的观点都有一定道理。但是我们必须认识到......

　　4.Recognizing a problem is the first step in finding a solution .

　　认识到问题是找到解决办法的第一步。

　　5. It is another new and bitter truth we must learn to face .

　　这是一个我们必须学会面对的痛苦的新情况。

　　6. In short , we must work hard to make the world a better place .

　　简而言之，为了把世界变成更美好的地方，我们必须勤奋工作。

　　7.Lost time is never found again.

　　岁月既往，一去不回。

　　8.Everybody should have a dream.

　　每个人都该有个梦想.

　　9.Hope for the best, but prepare for the worst.

　　抱最好的愿望,做最坏的打算。

　　10.Failure is the mother of success.

　　失败乃成功之母。

　　11.Let's look on the bright side.

　　让我们往好处想吧。