Whether the problem is due poor manufacture or damage in transportation is not yet clear. We should like to point out that we feel this to be entirely your responsibility.

【参考答案】

这个问题是由于生产质量糟糕造成的还是由于运输中的损坏造成的，目前还不清楚。我们要指出的是我们感到这件事的全部责任在于你们......

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