VOA慢速英语:Obama Leaves Healthy US Economy to Trump

inaugurate – v. an occasion or ceremony in which someone begins a new official job or position by making a formal promise to do the work properly, to be honest and loyal, etc.

confident – adj. certain that something will happen or that something is true

contractor – n. a builder or construction worker

petroleum – n. a kind of oil that comes from below the ground and that is the source of gasoline and other products

minimum wage – n. an amount of money that is the least amount of money per hour that workers must be paid according to the law