想知道refund due

想知道refund due failure to extend the refund guarantee due to delay indelivery from each of the delivery date due Tuition Refund refund是什么意思 谁能告诉我TAX deduction是什么意思,然后写个例题；taxable income什么意思,写个例题；the tax payable on his taxable income 写个例题； refund due or balance payable什么意思,写给例题! refund amount是什么意思 Exempt Credit Refund是什么意思 refund amount是什么意思 refund什么意思 refund information什么意思 a full refund refund guarantee是什么意思 tax.refund是什么意思 installment refund annuity是什么意思 【商务英语】hassle free refund due out的意思due out在hospitality 尤其是hotel这方面是什么意思?想知道在hotel management 里这个的意思~ 英语Inward wIre fee refund