Let me introduce my colleagues. On my right is Mr. Li, our technical expert.
让我介绍我的同事，在我右边的是李先生，我们的技术专家。
A technical expert can assist others, make Suggestions, develop standards, and prevent time consuming mistakes.
一个技术专家能够帮助别人，做出建议，开发标准，阻止耗时的错误。
A technical expert can assist others, make Suggestions, develop standards, and prevent time consuming mistakes.
一个技术专家能够帮助别人，做出建议，开发标准，阻止耗时的错误。
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