Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
libertarian – adj. political beliefs that promote civil liberties
swamp – n. wet and muddy land usually covered with water
minimum – adj. the least amount of something
marijuana – n. the dried leaves and flowers of the hemp plant, smoked as a drug
throw one’s hat into the race/ring – idiom. announce an intention to run for office
visibility – n. how well or far a person can see
infrastructure – n. basic equipment and structures (such as roads and bridges) needed for a country to function properly
gender – n. the behavioral or cultural qualities usually linked to one sex
