Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
negligence – n. failure to take the care that a responsible person usually takes
constituency – n. an area of a country that elects someone to represent it in the government, or the people who live there
niece – n. a daughter of one's brother, sister, a brother-in-law or sister-in-law
nephew – n. a son of one's brother, sister, a brother-in-law or sister-in-law
impose – v. to order or establish; to bring about by force
