书面保证 newwritten guarantee的英文翻译是什么意思，词典释义与在线翻译：参考翻译书面保证 written guarantee的用法和样例：例句He was required to give a written undertaking not to disclose the details of their contract.
他被要求出具书面保证不披露他们的合同的细节。However, once a business decides to offer a written warranty on a consumer product, it must comply with the Act.
然而，一旦一个厂商决定对一个消费产品提供书面保证，他就必须遵守这个法案。
