甚至有一些在中学学过的表达我们也忘了
        They point out that of the five official UN languages, English is the most useful and the mother tongue of most people.
        This is a recent and growing problem in cities in China.
         One should view failure as a learning experience.
        The ideal age to study abroad is 22, after graduating form college.
        You may find out you have a lot in common with them.
        Friends can now talk on the telephone no matter where in the world they are.
         People view money differently.
       
         有的时候没有必要的使用从句是因为没有使用更简单的并列句或者并列结构，误以为谈到一个以上的事务，必须有一个要用从句来表达。Their improved English will give them a big advantage when looking for work.
        People like to travel for different reasons. Access to information is much easier in the city.
       
        过多地使用从句，可能与下笔的时候缺乏考虑有关，或者是没有进行必要的修改。
        We should learn to say “no”, especially when you do not have the time to help.
        It is easy to travel to meet others anywhere in the world. Modern science has made the world smaller.
       
        与千篇一律地使用几个优先的词汇一样，许多同学特别喜爱使用几个固定的句式。其中最严重的就是it is ….或者it is….that…..这样的从句，已经到了被滥用的地步。
        Teenagers will no doubt benefit from their overseas education.
        I think studying is the most important part of college life.
       
        2. 需要使用从句的时候 前面举的例子都是没有必要的运用复杂的句式。但是从句使用有时候是非常必要的。他的左用是把要分成几个句子表达的意思用同一个句子就说清楚。从句的根本目的还是为了简化句子。
        On the other hand, some people believe students should concentrate on their studies. While some people are fond of traveling, others are not.
         Those who keen on traveling maintain it helps to expand their scope of knowledge in geography and history.