VOA慢速英语:美国大学可能难以留住校长

challenge(s) – n. a difficult task or problem

board(s) – n. a group of people who manage or direct a company or organization

diverse – adj. made up of people or things that are different from each other

formulate – v. to create, invent, or produce something by careful thought and effort

institution(s) – n. an established organization

regulation(s) – n. an official rule or law that says how something should be done

opportunity – n. an amount of time or a situation in which something can be done

respond – v. to do something as a reaction to something that has happened or been done