如果不存在内部技术，或者需要使用人口统计学或营销详细信息对数据进行其他充实操作，通常会将所收集的数据发送到外部企业进行此清理工作。
If in-house technology does not exist or additional enrichment of data with demographic or marketing detail is desired, collected data is often sent to outside firms for this cleansing.
如果通过法律鼓励企业进行人口统计学变革，却以相反的效果而告终，那才值得艾米斯和巴克利先生冷嘲热讽。
It would be an irony worthy of Messrs Amis and Buckley if laws that were passed to encourage companies to adapt to the demographic revolution ended up having the opposite effect.
同时也介绍了一些用于分析旅游者信息和旅游企业信息的统计学和运筹学方法。
Some statistical approaches and operations research methods are introduced to analyze the information of tourists and tourism enterprises.
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