Hallmarking
v. 给（金、银）打上纯度印记( hallmark的现在分词 )
🗣️ 情景例句
Yes, it's so easy.
没错， 它真简便。
Rome was not built in a (or one) day.
罗马不是一日建成的。
It contained $300 in pennies.
他坚持要店员点清那些硬币后他才离去。