Please note that all our prices are quoted on CIF basis. This is our general practice, which we believe will be accepted by you.
请注意我方所报的都是CIF 价,这是我方一贯作法,希望你方能接受。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信,因为我俩的时间都很紧。我们都有做不完的事。