{
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    "economic_signal_ids": [],
    "relation": "topic-surface-only",
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  "dek": "8月21日，特朗普宣布在未来90天内暂停对30万吨进口牛肉征收关税，此举旨在降低产品价格，以应对11月的中期选举。 根据经合组织（OECD）的数据，美国是全球最大的牛肉消费国之一，预计2025年人均牛肉消费量将略超23公斤。",
  "desk": "politics",
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      "published_at": "2026-08-21T20:28:19Z",
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      "title": "受中期选举压力 特朗普暂免除碎牛肉配额外关税",
      "url": "https://www.rfi.fr/cn/%E7%BE%8E%E6%B4%B2/20260821-%E5%8F%97%E4%B8%AD%E6%9C%9F%E9%80%89%E4%B8%BE%E5%8E%8B%E5%8A%9B-%E7%89%B9%E6%9C%97%E6%99%AE%E6%9A%82%E5%85%8D%E9%99%A4%E7%A2%8E%E7%89%9B%E8%82%89%E9%85%8D%E9%A2%9D%E5%A4%96%E5%85%B3%E7%A8%8E",
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  "headline": "受中期选举压力 特朗普暂免除碎牛肉配额外关税",
  "lead": false,
  "lead_reason": "Current single-source metadata is retained but not promoted as a lead.",
  "limitations": [
    "Palimpsest retained only feed title, canonical link, time, and a bounded plain-text excerpt; it did not fetch the article body.",
    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
    "Declared instrument links are topical pointers until a separate scan or economic observation is joined by time and method.",
    "Title-similarity clustering can miss differently worded or cross-language accounts and can join closely worded updates.",
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  "mutation": {
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  "published_at": "2026-08-21T20:28:19Z",
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      "evidence_item_id": "item-d0ab620fddb66f1e030b4e10",
      "published_at": "2026-08-21T20:28:19Z",
      "statement": "RFI published “受中期选举压力 特朗普暂免除碎牛肉配额外关税”."
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  "updated_at": "2026-08-21T20:28:19Z",
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