求翻译：4：银行费用如何处理（要明确是否托收费用必须由付款人负担，明确是否不得放弃向付款人收取该笔费用，即付款人不支付代收行的费用提示行就不得交单）是什么意思？

4: how to deal with bank charges (to be clear whether the payer must pay collection costs, whether or not to give a clear charge such fees to the payer, that payer does not pay the cost of collecting bank will not pay a single prompt )

4: bank charges and how to deal with (it is important to make clear whether or not charges must be clear whether or not payment burden, who shall not be given up to the person who paid the fee charged to the person who paid the fees collected are not paid on tips line shall not be offered for single

4: How does the bank expense process (must be clear about whether commissions to collect on own behalf expense to have to bear by drawee, is clear about whether doesn't have to give up to drawee charge this fee, namely drawee does not pay receives on another's behalf line of expense prompt line not

4: Bank fees (to clear if collection charges must be borne by the payer, specifically whether the fee cannot be waived, charged to the payer, that is, the payer does not cover the cost of collecting bank prompt shall not pay the Bill)

4: How expense deal with bank (want clear to must be born by payer while collecting expense, whether can't give up from the payer to collect this sum of expenses clearly, can't hand in singly namely the payer does not pay the expense presenting bank of the collecting bank)