象所有的商业合同一样，一份国际贸易合同应该书面签署。当纠纷发生的时候，不同国家语言和法律的差异会导致合同各方出现争议。
谢谢大家
參考答案:Just like all commercial contracts, an international trade contract should be signed on paper. When a dispute arises, the differences in languages and laws from country to country might cause contradictions.
