Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
green card - n. an identification card permitting the holder to live and work in the U.S. indefinitely
access - n. a way of getting near, at or to something
contemplate - v. to look carefully at
stunt - n. something that is done to get attention
posture - n. the attitude a person or group has toward a subject
undermine - v. to make someone or something weaker or less effective
embrace - n. the act of accepting something
