第二部分  常用于正文段的句型的4类表达方式 
一、A、B型作文段落常用句型和表达方式 
1. A is completely / totally / entirely different from B. 
2. A and B are different in some/every way / respect / aspect. 
3. A and B differ in…. 
4. A differs from B in…. 
5. The difference between A and B is/lies in/exists in…. 
6. Compared with/In contrast to/Unlike A, B…. 
7. A…, on the other hand,/in contrast,/while/whereas B…. 
8. While it is generally believed that A …, I believe B…. 
9. Despite their similarities, A and B are also different. 
10. Both A and B …. However, A…; on the other hand, B…. 
11. The most striking difference is that A…, while B….