VOA慢速英语:A 'Struggle' to Understand

confused - adj. unable to understand

fraction - n. mathematics : a number (such as ¹/₂ or ³/₄) which indicates that one number is being divided by another

motivate - v. to give (someone) a reason for doing something

strive - n. to try very hard to do or achieve something

apartheid- n. a former social system in South Africa in which black people and people from other racial groups did not have the same political and economic rights as white people and were forced to live separately from white people

refer - v. to have a direct connection or relationship to