Talking all these factors into consideration,we naturally come to the conclusion that...
Talking into account all these factors,we may reasonably come to the conclusion that...
Hence/There we'd better come to the conclusion that...
There is 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 woud arise
总之，我们没有...是无法生活的，但同时，我们必须寻求新的办法来对付可能出现的新问题
