Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
negative – adj. harmful or bad; not wanted
uncertainty – n. the quality or state of being uncertain; something that is doubtful or unknown; something that is uncertain
consequence – n. something that happens as a result of a particular action or set of conditions
infrastructure – n. the basic equipment and structures (such as roads and bridges) that are needed for a country, region or organization to function properly
comprehensive – adj. including many, most or all things
entitlement program – n. a government program guaranteeing access to some benefit by members of a specific group and based on established rights or by legislation
status quo – n. the current situation; the way things are now
passing grade – n. showing that you completed a test or class in an acceptable way
