1.From what ha been dicued above, we can draw the concluionthat ...
2.It i high time that trict meaure were taken to top ...
3.It i neceary that tep hould be taken to ...
4.In concluion, it i imperativethat ...
5.There i no eay method, but ...might be of ome help.
6.To olve the above-mentioned problem, we mut ...
7.In ummary, if we continue to ignore the above-mentioned iue, more problem will crop up.
8.With the effort of all part concerned, the problem will be olved thoroughly.
9.We might do more than identify the caue ;it i important to take action to ...
10.Taking all thee into account, we ...
11.Whether it i good or not /poitive or negative, one thing i certain/clear...