However, you have to try your best to overcome all difficulties such as hard competition in the workplace or a polluted environment. You should not complain when faced with the disadvantages of it. - Your conclusion is not the best place to introduce new ideas like competitive workplaces, pollution, or disadvantages. If you want to mention these things, talk about them in the body of the essay; otherwise, do not bring them in, for the first time, in the conclusion. Use the conclusion to summarize only what you have already said.