Can you help me to correct this essay

Can you help me to correct this essay!! especially the grammer, sentences' structure and the vocabulary. Thank you very much

Most of the people attend college or university for career preparation.
Nowaday, it is a knowledge-based economy. you got knowledge, you got the power.
Most of the company, I think, domain certification is the main considered point to hire a person or not.
People who finished college or university studying,they will got specific domain knowledge base on their major. That means, company can reduce the
training cost and time for new staffs. New staff can handle their work expeditely
On the other hand, People with high education, We can forecast the what characters and abilities they have. Of course, it is base on their major.
In fact, students are qualified to attend college or university,they should compete with other people.
Responsibility, patience, work hard and discipline etc. I think, those characters is the essential.
According to the above explain, I believe, Most of the people thinking like that,
so I think most of the people attend college or university are for craeer preparation