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