乖囡好好
我看得不是很明白,如果楼主的意思是：附件里的单价就是调整后的5月份的价格的话,可以这样翻译： We adjusted prices in May due to cost increase of raw material. Enclosed ( Attached) is the up to date price list for your reference. So sorry for any inconvenience caused. 如果不是上面的理解的话,直译如下： We made come changes of prices due to cost increase of raw material.Pls kindly check attachment. What's more,our price will be adjusted again in May.So sorry for the inconvenience it caused.
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