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。
It is because in the modern world, English is very widely used for business between different countries.
这是因为在现今世界,英语广泛应用于国与国之间的贸易往来。