解决方案 - 中高级 - 1单元 - 1F

someone who pays or agrees to pay for access to a service or product on a regular basis

订阅者

the act of communicating or working together with someone or something

互动

information, criticism, or advice about a person's performance, a new product, etc. intended for improvement

反馈

all the things that are held, included, or contained in something else

内容

the quality or state of being easily reached, entered, used, or understood by everyone, regardless of any physical or mental limitations

可及性

a person, company, or organization that offers goods or services to customers

提供者

a TV station that broadcasts different programs

频道

a type of computer or software system that is designed to work together with a specific operating system

平台