1. There is no complete agreementamong people as to —— 2. Some people consider,——. 3. However, others think, ——. 4. Some people may say —— 5. They hold this opinionbecause——. 6. However, others believe,—— 7. They argue that,—— 8. Personally,I am in favor ofthe—— 9. Firstly, ——. 10.Secondly,—— 11. Most important of all —— 12. Taking above-mentionedfactors into consideration, we/I may reasonably conclude that —— 1. 开门见山直入主体，表明对某事人们的不同看法。 2. 表明一部分人的看法。 3. 另一部分的看法。
