If it is an outline for an essay then it depends. What I love to use are outline templates. I've attached on that I found online. Hopefully it helps! If you need anymore assistance on this, let me know. :)
Answer:
smoking in public place should be banned
Explanation:
Smoking cigarettes, cigars or pipes in public places should be banned because it’s offensive to the non-smokers who have to endure the smoke, the butts, the mess and the smell. Consider the typical public place – a market door entrance, a park bench, an elevator. People come to these places for peace and quiet, for necessity, to get to work, so they should not be required to breathe another person’s poisonous tobacco fumes. Everyone knows that second-hand smoke is just as, if not more, dangerous than directly inhaling the smoke.
Change how much time and effort is required to something else.
Because they almost always contain characters and settings that are in no way realistic