____________改写并复述题目____________.The advantages of B carry more weight than those of A. There are numerous reasons why __________, and I would explore only a few of the most important ones here.

　　One of the primary cause is that_______________________.

　　What is also worth noticing fact is that_____________________.

　　Furthermore, ________________________.

　　Although I agree that there may be couple of disadvantages to _________________.I fell that the advantages are more obvious_____________.

　　_______________, Given the factors I have just outlined, I can only say that___________________.