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
