表示比较和对照关系的句型：
1) A is to B what/ as C is to D(A之于B犹如C之于D).
2) Just as..., so...
3) A and B have sth in common.
4) A is similar to B.
5) the same is true of，The same can be said of(……也是如此).
6) The advantages of A are much GREater than B.
7) compared with B, A has many advantages.
8) the advantages outweigh the disadvantages(利大于弊).
9) Wonderful as A is, however, it has its own disadvantages too.
10) Although A enjoys considerable advantage over.., it can not compete with B in...
11) Contrary to widely accepted views, I believe that...
12) What people fail to consider is that...
13) It is one thing to insist that..., it is quite another to show that...
14) Nothing can rival…(……是无与伦比的).
15) …has drawbacks as well as merits.
16) A is superior(inferior) to B.
17) ...varies from person to person(……是因人而异的)
18) A is just the opposite (to B)
19) A differs from B in that…(A不同于B在于……)
20) …is not the same (as)
