A pocket-sized folder or case used to hold money and papers; a billfold.
皮夹子，钱包用来装钱和 纸张的口袋 大小的夹子或盒子；
youdao
Guests were given a pocket folder with key facts on the country and an invitation to "learn some Welsh".
BBC: St David's Day: what might have been for Danny Boyle
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