Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
respond - v. to say or write something as an answer
contention - n. belief, opinion or idea that is argued or stated
fraud - n. the crime of using dishonest methods to take something
swing state - n. a state that sees election results changing from one part to another and back
undermine - v. to make something weaker or less effective
overwhelming - adj. very great in number, effect or force
formal - adj. done in an official and usually public way
prescribe - v. to make something an official rule
noon - n. the middle of the day; 12 o'clock in the day time
