Proofness
[计] 验证, 证明
🗣️ 情景例句
Did you make any long distance calls this morning, or did you sign for your breakfast?
您今天早上没有打长途电话或吃早餐记账？
I bought 5 yard of ribbon.
我买了五码缎带。
Most games cost about that much.
大部分游戏差不多都是这个价钱。