Nowadays many people prefer (话题）beacuse it has an important role in our daily life. Generally speaking,its advantages can be seen as follows.first,（优点一）Moreover,(优点二）But every coin has two sides.The negative aspects are also apparent.One of the importantant disanvantages is that (缺点一）What's worse,(缺点二） Though the above analysis,I believe that the positive aspects overweigh the negative ones.Therefore,Iwould like to(我的观点）.
