Slipcases
(slipcase 的复数) n. 书套
🗣️ 情景例句
I know that you do a very big international business,
我知道贵公司在国际贸易方面的生意做得很大，
It is not polite to eavesdrop on the conversation of other people.
偷听他人说话是很不礼貌的。
Yes, that's right! Where did you see it?
对，没错！你在哪见过吗？