转折句：中间用到"但"或"但是"的句子句子原来写的东西变换了。转折之后写的东西不同前一句的。一般都有但是、不过这样的转折词。
【常见转折句】
1) In view of the above-mentioned negative factors/disadvantage(s)/defects in A, people's second thought is to...
(e.g. In view of the above-mentioned negative factors in raising the output, our second thought is to improve the quality of products.)
2) To counter/offset/counteract/cancel undesirable/side/ill effects/influence/results of A, B is put forward/proposed/advanced as another better course/ solution to...
(e.g. To counter the undesirable effects of rigid administration, emotional investment is advanced as another better course to success in business.)
3) In their efforts to battle against dark side/incongruous elements A h as brought along with it, however, people come up with another approach/solution /course to...namely...
(e.g. In their efforts to battle against the dark side the examination-oriented education has brought along with it, educators come up with another approach to the problem, namely the quality-oriented education.)
4) In contrast with the drawbacks/demerits/flaws of A, B can serve as a better step/move/advance in the right direction/to ward the solution for the problem of...
(e.g. In contrast with the drawbacks caused by nuclear power, the solar power can serve as a better move toward the solution for the problem of energy crisis.)
5) So when it comes to an effective remedy for/a good counter-balance to the problems/limits/faults/weaknesses in A, people naturally think of B.
(e.g. So when it comes to an effective remedy for the weaknesses in competition, people naturally think of cooperation.)
6) But it has also brought along with it the negative effect/disadvantage /weakness that...
7) However, it is not without limits/problems/faults/defects, for example, ...
8) Like anything else, it also has its own dark side, as evidenced in...
9) For/Despite/In spite of the advantages/benefits/positive effects A has, it has suffered from/posed some disadvantages/harm/negative effects.
10) To attain this goal, however, we still have much work to do/many obstacles to remove.
【常见界说性句式】
常见界说性句式，听起来很陌生，其实它的意思是：某事物象/与…一样/与…相似/与…一样/被比作…/似乎…
1) Sth. is like/as...as/similar to/the same as/compared to/as if (though) ...(明喻)
(e.g. In the eyes of book worms, books are compared to/like a magic blanket that carries them anywhere as they like.)
2) Sth. is/refers to/is nothing but...(暗喻)
(e.g. For/To a seeker after the treasure of knowledge, learning is rowing across an unbounded ocean, in which hardship is seen as his boat.)
3) Sth. is thought of/defined/valued/cherished/seen/esteemed as...
(e.g. A true friend is valued not only as your shadow that comforts your body but also as your mirror that helps you find any dirt on your face.)
4) A does sth. just as B does sth. else.
(e.g. Educative experiences of life can tell us how to get rid of failure, just as weather beaten sailors know how to steer clear of rocks.)
5) Sth. means/signifies/stands for/is a symbol(matter/sign/token)of...
(e.g. Love is not a matter of seeking self-satisfaction; it is first a matter of giving and then discovering, as an unexpected gift, the deepest satisfaction one can know.)