{
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  "dek": "尽管日本与美国联手进行了历史性的外汇干预，日元汇率依然疲软。外国游客正享受着超高性价比的日本游，但日本中产阶级的购买力却在严重缩水。作为世界第四大经济体，日元为何会跌至40年来的最低点？这背后隐藏着怎样的历史渊源和结构性危机？",
  "desk": "politics",
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      "source_name": "Deutsche Welle",
      "title": "日元为何跌跌不休？揭秘暴跌背后的原因",
      "url": "https://www.dw.com/zh/日元为何跌跌不休？揭秘暴跌背后的原因/a-78379479?maca=chi-rss-chi-all-1127-rdf",
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  "limitations": [
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    "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.",
    "This dossier currently contains one independent evidence group and remains explicitly attributed."
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  "mutation": {
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