Sdi
[计] 信息选择传播, 源数据信息, 标准数据接口
🗣️ 情景例句
OK, Betty, Tim, and Frank.
好， Betty ，Tim ，Frank。
have you invited any friends?
你邀请朋友吗？
Good idea! That is much better than watching a bad TV programme!
好主意！这比看破电视节目要好多了。