这些工具提供什么类型的数据分析服务呢？

What kind of data analysis service do these tools provide?

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因此，必须收集和分析服务使用统计数据。

Therefore, services usage statistics must be collected and analyzed.

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通过使用分析服务，使业务性能管理更加便利。

It facilitates business performance management using analytical services.

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This particular website has this free nutrient analysis On the website people may choose to get involved in and there may be charges for those things, I don't really know, but there may be and then they may ask you for identifying information, but it's your option to do that.

网站的营养分析服务,在该网站,人们可以选择使用其他服务,当然,那些可能是收费的,我不是很确定,可能有收费服务,并要求验证个人信息,但这由你自己选择

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选