VOA慢速英语:脸谱网对用户进行信用评级

prioritize – n. place higher in importance above other things

premise – n. an idea used to support another theory or position

intentionally – adj. on purpose

account – n. an arrangement in which a person uses internet or service of a particular company

sophisticated – adj. a well-organized, advanced way of operating

hacker – n. person who secretly gets access to a computer system in order to get information, cause damage, etc.