第一句：Closer inspection by the health officers showed that the canned fruit was considered unfit for human consumption.
经过食品健康检验人员的认真检验，贵方的水果罐头不能食用。
A: Closer inspection by the health officers showed that the canned fruit was considered unfit for human consumption.
经过食品健康检验人员的认真检验，贵方的水果罐头不能食用。
B: Is the inspection authentic?
这个检验可信吗？
A: Yes. It is made by China National import & Export Commodity Inspection Bureau.
是的。是由中国国家进出口货物检验局进行检验的。
第二句：But our goods have already been inspected as flawless.
但是我们的货物已经进行了检验，没有问题啊。
A: But our goods have already been inspected as flawless.
但是我们的货物已经进行了检验，没有问题啊。
B: If our dispute can't be solved through negotiation, we will submit the case to the arbitration commission.
如果我们的纠纷无法通过谈判解决的话，我们将把此案递交到仲裁委员会。
A: We need time to think about it.
我们需要时间考虑一下。
其他表达法：
A close inspection and a careful test showed that some amplifiers of inferior quality.
经过严密的检验和认真的测试，我们发现贵方的一些扩音器质量低劣。
