美国学校因健康担忧禁止高咖啡因袋装产品

本文如何被排名

Signal score

0 / 100

Composite score across the factors below. Higher = stronger signal that this story matters right now.

Newsworthiness bucket

Tool

该项目讨论了一种产品（咖啡因袋装产品）以及学校对其的反应，这属于“工具”类别，因为它涉及产品采用和监管，而不是前沿发布或重大的行业转变。

Source corroboration

Single-source cluster

Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.

Topics

product, policy, safety

Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.

AI-industry relevance

Low

Off-topic or adjacent — cluster remains reachable but doesn't surface in AI-industry rankings.

Story freshness

2 days old

Coverage has settled into its steady-state source set.

完整方法见我们的编辑标准。