1) In view of the above-mentioned negative factors/disadvantage/defects in A,peoples second thought is to

　　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

　　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 tonamely

　　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

　　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.

　　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.