Collaboratory
[计] 协作研究体
🗣️ 情景例句
No advertising material.
谢绝广告。
Will you bring the laundry in if it rains?
下雨时请你收一下衣服，好吗？
Sending a fax is more expensive than posting a letter, but much quicker.
发传真比寄信要贵些，但是要快得多。