dìng dān yǐ jīng fā huò hòu, tōng cháng bù néng xiàng wèi fā huò nà yàng zhí jiē qǔ xiāo

订单已经发货后，通常不能像未发货那样直接取消。

Once an order has been shipped, it usually cannot be canceled directly like an unshipped one.