Obviously(此为过渡短语), we can draw the conclusion that good manners arise from politeness and respect for others.
to sum up, in conclusion, in brief, on account of this, thus
Thus, it can be concluded that…, Therefore, we can find that…
Obviously, it is high time that we took some measures to solve the problem.
Accordingly, I recommend that some measures be taken.
Consequently, to solve the problem, some measures should be taken.
Taking all these factors into consideration, we naturally come to the conclusion that…
Taking into account all these factors, we may reasonably come to the conclusion that …
Hence/Therefore, we’d better come to the conclusion that …
There is no doubt that (job-hopping) has its drawbacks as well as merits.
All in all, we cannot live without … But at the same time we must try to find out new ways to cope with the problems that would arise.