On going into the matter you mentioned we find that the poor performance of the engine is due to your use of a wrong motor oil by mistake.

The underwriters are responsible as far as the claim is within the scope of cover.

我们理解你们的需求,为弥补损失我们决定给予4%的特别折扣。

请加固包装以避免包装不结实而造成的不必要损失。

信用证会增加我们的进口成本。

6月12日来函收到,获悉你方已经开出以我方为受益人的信用证。

如果你们坚持不肯降价,我们只好从其他地方订货。