请问bank discount basis是什么?

请问这两个分别是什么银行commercial bank,merchants bank discount rate是什么 FOC basis 是什么 an ongoing basis是什么 请问：Dalnevostochny bank 怎么翻译?是什么银行? 翻译信用证+TT REIMBURSEMENT ALLOWED +LC ISSUING BANK DISCOUNT INT 译We usually deal on a 20% trade discount basis with an addit 请问additional 15% discount是什么意思呢? 英语翻译请问discount这个词怎么用?如果打7折的话是 30% discount还是70% discount? Issuing bank will discount acceptance on request for A/C of 英语翻译Nego bank should be claim at sight basis to reimbusring 请问打八折是twenty percent discount 还是eighty percent discount ?