一键安装此插件：
42plugin install zhanghandong/rust-skills/domain-fintech42plugin install zhanghandong/rust-skills/domain-fintech插件介绍
Use when building fintech apps. Keywords: fintech, trading, decimal, currency, financial, money, transaction, ledger, payment, exchange rate, precision, rounding, accounting, 金融, 交易系统, 货币, 支付