1. 钱包(美语)：handbag手袋 | billfold钱包(美语) | savings account存款帐号

2. billfold

2. 皮夹：billet-doux 情书 | billfold 皮夹 | billhead 付款通知单

3. 皮夹子：funeral葬礼 | billfold皮夹子 | decency得体

4. 票据夹 单据夹：billexchanger 纸币兑换机 | billfinance 票据信贷 | billfold 票据夹 单据夹

1. 皮夹；钱夹；钱包
    A billfold is a small flat folded case, usually made of leather or plastic, where you can keep banknotes and credit cards.

1. a pocket-size case for holding papers and paper money

    Synonym: walletnotecasepocketbook