American Businessman Announces Plans for Mars Colony(翻译)

entrepreneur – n. a person who starts a business and is willing to risk loss in order to make money

affordable – adj. to be able to pay for something

architecture – n. the method or style of building

expensive – adj. costing a lot of money

ticket – n. a piece of paper that allows you to travel on a vehicle

mission – n. a job that someone is given to do