trading/schema/builtin/trade_open = 打开商店
trading/schema/builtin/trade_open_desc = 与该商人的交易窗口
trading/schema/field/shop = 商店
trading/schema/kind/shop = 商店
trading/schema/kind/shop_desc = 商人卖什么、收什么
trading/schema/field/name = 名称
trading/schema/field/currency = 货币
trading/schema/field/sells = 出售
trading/schema/field/item = 物品
trading/schema/field/price = 价格
trading/schema/field/buys = 收购