enroll –v. to take (someone) as a member or participant
income -n. money that is earned from work, investments, business, etc.
tuition-n. money that is paid to a school for the right to study there
fee-n. an amount of money that must be paid
phenomenon –n. something (such as an interesting fact or event) that can be observed and studied and that typically is unusual or difficult to understand or explain fully
uncertain-adj. not exactly known or decided : not definite or fixed
off-guard- adj. not ready
deserve –v. used to say that someone or something should or should not have or be given something
opportunity –n. an amount of time or a situation in which something can be done; a chance
pursue-v. to try to get or do (something) over a period of time
passion-n. a strong feeling of enthusiasm or excitement for something or about doing something
