Blitheness
n. blithe（快乐的）的变形
🗣️ 情景例句
I sent the wrong key.
我寄错了钥匙。
This offer must be withdrawn if we haven't received your reply within five days.
如果5天之内我方未必到贵方答复，该盘撤消。
Just a minute. She's taken the bag that usually sits on top of the cupboard.
等等。她带走了通常放在壁橱顶上的包。