Taking into account all these factors, we may reasonably come to the conclusion that … 考虑所有这些因素,我们可能会得出合理的结论……

Hence/Therefore, we’d better come to the conclusion that …

因此,我们得出这样的结论……

There is no doubt that (job-hopping) has its drawbacks as well as merits. 毫无疑问,跳槽有优点也有缺点.

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.

总之,我们没有…是无法生活的.但同时,我们必须寻求新的解决办法来对付可能出现的新问题.