Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
digital – adj. relating to computer technology, especially the internet
online – adj. connected to or involving a computer or telecommunications system
authentication – n. officially confirmed as real or true
accountability – n. being responsible for what you do
profile – n. a description of something that contains all the most important or interesting facts about it
entrepreneur – n. person who attempts to make a profit by starting a company or by operating alone in the business world
compelling – adj. forceful and convincing
