请记住用中英两种文字缮制合同，两种文本同样有效。
Please remember to use both English and Chinese versions and both versions should be equally valid.
洽谈阶段的细致工作是签订完善合同的前提，但具体的缮制工作更是不容忽视。
Signature of a perfect contract is based on careful work during negotiation period and the concrete compiling work can't be neglected.
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