Nowadays many people prefer A because it has a significant role in our daily life.
Generally, its advantages can be seen as follows. First ----------------(A的优点之一). Besides -------------------(A的优点之二).
But every coin has two sides. The negative aspects are also apparent. One of
the important disadvantages is that ----------------(A的第一个缺点).To make matters worse,------------------(A的第二个缺点).
Through the above analysis, I believe that the positive aspects overweigh the
negative ones. Therefore, I would like to ---------------(我的看法).
(From the comparison between these positive and negative effects of A, we
should take it reasonably and do it according to the circumstances we are in.
Only by this way, ---------------(对前景的预测).)