Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
persistence - n. the quality that allows someone to continue doing something or trying to do something even though it is difficult or opposed by other people
imperialism - n. a policy or practice by which a country increases its power by gaining control over other areas of the world
austerity - n. a situation in which there is not much money and it is spent only on things that are necessary
broad - n. including or involving many things or people : wide in range or amount
