Etf
abbr. 交易型开放式指数基金（Exchange Traded Fund）；发动机试验设备（Engine Test Facilities）
🗣️ 情景例句
Would you like me to reschedule you for another time?
要不要我再另外为你安排别的时间？
Little pigeons can carry great messages.
少年也可以成大事。
The Shaws naturally were a musical family.
肖氏一家天生爱好音乐。