1 提出索赔
3句英文任你选
We regret to inform you that the goods are not in accordance with your samples.
很遗憾通知贵方，到货与样品不符。
We regret to inform you that we must lodge a claim against you about the quality.
很遗憾地告诉贵方我们要对货品质量投诉。
The quality of this consignment is far from being satisfactory.
交付的货物质量远不能令人满意。

半个句型要记牢
regret to inform you that. .. (很遗憾地告诉你……)

Tip:
regret to do表示对要做的事感到遗憾，可译为"很遗憾……"。如:I do not regret to have been apt really however unable love arrives at final. (我不后悔真爱过只是不能爱到最后。) inform表示"通知，告诉"的意思，固定搭配有 inform sb. of s由.(告知某人某事) , inform sb. That (告知某人……)而 regret doing则是指对已经做过了的事表示遗憾或惋惜。