When you are studying in the University would cost to learn more such as tuition. Cost of living, so you have to pay a lot of money and it may be not enough for those expenses. Makes you really want to find the extra revenue.
When you're in college, it would have cost the school more like college tuition. The cost of daily living. You may have to pay a lot of money and not enough money to pay them. Makes you want to earn extra money.
When you study in the university is the cost to study more like the tuition. Living expenses. You must pay a lot and may have not enough those expenses. Do you want to earn extra money.