Ecotour
n. 生态旅游（等于ecotourism）
🗣️ 情景例句
How about $ 140 per case?
每箱140美元怎么样？
I guess he will say something.
我猜他会说什么。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信，因为我俩的时间都很紧。我们都有做不完的事。