有效期内，所有未结订单，若未被你取消或我们交易，一律视为有效。
Until expiration, all open orders are considered good until canceled by you or executed bus.
订单管理表单将在第3部分中开发，它允许用户查看未结清的账目。
The order management form, which will be developed in Part 3, allows users to review open accounts with unpaid balances.
利润是否基于所有未结算的资产采购订单？
利润是否基于所有未结算的资产采购订单？
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