1there is no doubt that enough concern most be paid to the problem( immediately）
2obviously ,( even) if we want to do sth ( fast ),it is essential that ( we do it right )
3only in this way can we( succeed )
4obviously ,if we don't control the problem ,the chances are that( problem) will lead us in danger.
*** 猫迷英语专家团提供【Real.American.English.】