订购手续费、催货跟踪费、收货费、人员工资等都属于（）成本。
参考答案：订购
She’s never been to a foreign country, ______?
A doesn’t she B. has she C. is she D. hasn’t she
同为封建礼教的牺牲品，梅和鸣凤的个性又有差异，试比较两个人的个性有什么差异？
