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The table below contains various metrics data recorded daily for different traffic sources on an e-commerce platform. Please answer the following questions based on the table: Primary Chinese-English Correspondence. “访问日期”:“Visit Date” “访问来源”:“Traffic Source” “访问渠道”:“Access Channel” “访客数”:“Number of Visitors” “浏览量”:“Page Views” “新访客数”:“Number of New Visitors” “访问次数”:“Visit Frequency” “收藏人数“:“Bookmark Count” “加入购物车人数“:“Number of Add-to-Carts” “支付人数”:“Number of Payers” The business significance of each row in the table is:
A. Metrics data for different traffic sources.
B. Metrics data for different visit channels.
C. Metrics data for different dates and traffic sources.
D. Metrics data for different dates and visit channels.
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The primary key in the table is the combination of the visit date and traffic source. The primary key represents the unit of business data records, so the correct answer is C.

正确答案是:C: 访问日期和访问来源的不同数据指标。

专业分析:

从表格的列标题和对应的中文-英文翻译可以看出,表格中记录了不同访问日期(“Visit Date”)和访问来源(“Traffic Source”)的各种指标数据。具体来说,每一行的数据包括了某一天某个访问来源的访客数(“Number of Visitors”)、浏览量(“Page Views”)、新访客数(“Number of New Visitors”)、访问次数(“Visit Frequency”)、收藏人数(“Bookmark Count”)、加入购物车人数(“Number of Add-to-Carts”)和支付人数(“Number of Payers”)。

这些指标数据的记录方式说明了该表格是按日期和访问来源来细分的,而不是按访问渠道(“Access Channel”)或其他方式。因此,选项C是正确的,因为它明确指出了表格数据是基于不同的访问日期和访问来源。