However, I believe both views have different perspectives .
when you put the word 'different', and before this word there is no comparison, it must be followed by noun plural
These days, the level of criminality in urban areas inclines, and it should be measured by sending people in to the jail.
As a result , some experts and government must set a policy to measure this problem and result a fixed punishment. As a result, this solution can prevent crime and jails are the place of criminal to accept a fixed punishment.
try to use the other phrases, when you use the same phrases as you did, it may make the readers think that after these word you will write the same sentence