Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
slogan – n. word or phrase that is easy to remember and used by a group or business to attract attention
challenge – n. a difficult task or problem : something that is hard to do
afford – v. be able to do something without difficulties
retreat – v. to move backward
deferential – adj. acting in a particular way in response to the opinions or influence of others
at odds – adj. not agreeing with each other
preeminent – adj. more important, skillful, or successful than others: better than others
align – v. to line up in a row
coercive – adj. using force or threats to make someone do something
