1.  safety problem
2.  security issue

• 1. 安全问题: security issues
• 2. 发展安全问题: development security concern
• 3. 食品安全问题: food safety problems

更多释义

• 1.安全问题受到极为严肃的对待。
  Security matters are treated with the utmost seriousness.
  dict.yoduao.com
• 2.他们非常关注安全问题。
  They are seriously concerned about security.
  dict.yoduao.com
• 3.我们的船长在安全问题上给了我们严厉的批评。
  Our captain gave us a stern lecture on safety.
  dict.yoduao.com

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