Cell phones are necessary for college students.

　　手机是大学生的必备品。

　　Cell phone makes interpersonal communication convenient and efficient.Therefore , I think they are necessary for college students to communicate and keep in touch with each other , which can strengthen friendships as a result.

　　手机使人与人之间的交流变得方便有效。它是大学生们之相互交流及保持联系的一种必要的通讯工具，能够很好地增进学生之间感情。

　　As we all know, the most valuable thing is information in the 21st century. As a result , how to get the most up-dated information is very important for everyone. In this sense, cell phones can provide an effective way to get information timely, since they are becoming more and more advanced. With a cell phone , we can send e-mails , surf Internet , which will make us well-informed. Therefore, phones are necessary for college students.

　　众所周知，在21 世纪最有价值的东西就是信息。因此，获取最新信息对于每个人来说都是十分重要的。从这个角度来讲，日益先进的手机能够为我们及时获取信息提供一种十分有效地方式。拥有一部手机，我们可以发电子邮件，浏览网页，从而对于外部信息可以了如指掌。因此，我认为手机是现代大学生的必需品。

　　Cell phone are oot necessary for college students.

　　手机并不是大学生的必备品。

　　Nowadays, cell phones are owned by more and more college students. But for most of them , the most important usage of cell phone is to send messages. To some extent , it 's just a kind of entertainment for them, rather than a necessity.

　　如今，越来越多的大学生拥有手机。而对于他们中的大多数来说，手机最重要的用途是发短信。从某种程度上讲，手机成为了他们的一种娱乐工具，而非生活的必需品。

　　Besides, cell phones can waste a lot of time. Many students send messages to each other rather frequently , becoming the so called "clan of thumb culture" ( 拇指一族). As a result, their talking are time-consuming and inefficient. Therefor, I think cell phones are not necessary for college students.

　　另外，手机浪费了大量的时间。许多学生因太过频繁的发送短信而变成了所谓的“拇指一族”，而他们的谈话其实是琅费时间，毫无效率。因此，手机对于大学生来讲并非必需品。

（编辑：何莹莹）