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。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上,当车突然开动时,他为什么会倾倒呢?