Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
income tax – n. a tax paid on the money that a person or business earns
guess – v. to form an opinion or give an answer about something when you do not know much or anything about it
trail – n. a route that someone follows to go somewhere or achieve something
gap – n. a space between two people or things
inequality – n. an unfair situation in which some people have more rights or better chances than other people
column – n. an opinion piece that often appears in a newspaper or magazine
assumption – n. something that is believed to be true or probably true but that is not known to be true
coincidence – n. a situation in which events happen at the same time in a way that is not planned or expected
fund - v. to provide money for (something)
