Nand
[计] 与非
🗣️ 情景例句
There are three things that have to be done first, Harry.
首先我们必须做三件事， Harry。
Let difficulties occur but not the loss of courage.
纵使困难重重，也不丧失勇气。
Sally was amused, but I was very embarrassed!
萨莉感到很有趣，而我却很尴尬。