Our terms of payment are by irrevocable L/C pauable by sight draft against presentaion of shipping documents.) v! V& B0 x6 n$ o
我们的支付方式是不可撤消的信用证支付，凭装运单据见票。; J' ]; O9 D. v0 |" F
Can you tell it on an installment basis?
你们这里可以分期付款吗？" T4 D. U& K/ t
Do you accept payment by installments?
你同意分期付款吗？' u3 r2 t/ T, q
How would you like paymentbe made?
你们采取什么付款方式？& r4 X% G, X$ a3 j7 Y; c/ d
We expect payment in advance on first orders.( t- i) r, E  {, E$ h7 D
我们希望第一次订货要求预付货款。

What are your terms of payment?
你们的付款条件是什么？

We can't accept D/P or D/A. we insist on payment by L/C.
我们不接收付款交单或承兑交单，我们只收信用证。

Do you accept D/P payment terms.
你们接受付款交单这种方式吗？5 F( q5 Y0 c8 u4 i1 C: p
What is the period of validity of this L/C?7 w: }6 G  l, q* i
这张信用证的有效期是多久？