✅ 同义词
🗣️ 情景例句
first we need to know some references.
首先我们得知道你们有哪些备询人。
I want a package deal including airfare and hotel.
我需要一个成套服务，包括机票和住宿
There are four seasons in the year here--spring, summer, autumn and winter.
这儿一年有四季--春、夏、秋、冬。