Thư báo giá (offers)

be valid from...

be valid for...

có hiệu lực từ….. this price will be valid from tomorrow morning

có hiệu lực cho khoảng….., this price will be valid for 1 month from the date of the letter

be subject to change without prior notice

Có thể thay đổi mà không cần báo trước

Keep sth/ sb + ADJ

keep an offer valid

we will keep this offer valid for a futher 10 days from ao March

by return of post

bằng thư hồi âm ngay

Our prices are valid only if you place your order by return of post

firm prices

a firrm offer

provided that... =

với điều kiện là

This price is firm, provided that your response reaches us no later than the 22nd

make you a firm offer

on an FOB basis

theo điều kiện FOB

We make you a firm offer for 3 days on an FOB basis

list on

We are very pleased to offer you the goods listed on the attached offer sheet No 259DL and hope to receive your soonest reply.

extend sth to

We wish to extend the sale of sportswear to your market

be acceptable to sb

 We trust the above offer will be acceptable to you and await your trial order with keen interest.