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。
Because of this, we kept looking back, wondering if we were leaving a trail of oil and petrol behind us.
因此,我们不时地掉过头,怀疑车后是否留下了机油和汽油的痕迹。