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vest - n. a sleeveless piece of clothing with buttons down the front that is worn over a shirt and under a suit jacket
concessions - n. the act of giving up something or doing something in order to reach agreement
sector - n. an area of an economy
metro - n. an underground railway system in some cities
scooter - n. a small vehicle with two wheels that is powered by a motor and that has a low seat and a flat area for resting your feet
route - n. a way to get from one place to another place
nightmare - n. a very bad or frightening experience or situation
oblige - v. to force or require (someone or something) to do something because of a law or rule or because it is necessary
