在线教育平台Coursera计划上市

massive –adj. large in amount or degree

course –n. a document that is official proof that you have finished school or a course of training

certificate –n. a document that is official proof that you have finished school or a course of training

stuck –adj. in a place or situation that is difficult or impossible to get out of

stock market listing –n. the act of making a small part of company for sale at a place where stocks are bought and sold

initial capital –n. money, property, etc., that is used to start or operate a business

product –n. something that is made or grown to be sold or used

unique –adj. very special or unusual

content –n. the ideas, facts, or images that are in a book, article, speech, movie, etc.