Referring to your inquiry letter dated 29th September, we are offering you the following subject to our final confirmation.
关于贵方9月29日的询价信,我方就如下产品报价,以我方最后确认为准。
Yes, I think I have. Look at that book on the desk. Maybe it's yours.
是的,我想我看见了。请看桌子上的那本书。也许就是你的。