存在针对不同行业和领域的内容包，其中包括。
There are content packs for different industries and domains, including.
必须懂得商业语言并且具备相关行业和领域的技能。
Must understand the business language and have industry and domain skills.
切实搞好重点行业和领域安全专项整治工作，加强学校和人员密集场所安全防范。
We will carry out a campaign to improve safety in key industries and fields. We will improve public safety in schools and crowded places.
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