Obviously(此为过渡短语), we can draw the conclusion that good manners arise from politeness and respect for others.

更多过渡短语： to sum up, in conclusion, in brief, on account of this, thus

更多句型： 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.

更多句型：

Accordingly, I recommend that some measures be taken.

Consequently, to solve the problem, some measures should be taken