Classes
n. 级别, 阶级（class复数形式）
🗣️ 情景例句
And if you don't?
要是你找不到呢？
It is a wise father that knows his own child.
父贤知其子。
I've no idea. He just asked me to come round for supper.
我也不知道，他只是叫我过来吃晚饭。