{
  "synthetic": true,
  "case": "google-ads-scoreboard",
  "data": {
    "currency": "CNY",
    "period": "2026-10-05 至 10-12（不含结束日）",
    "cvr_denominator": "clicks，本练习约定",
    "conversions_threshold": 10,
    "campaigns": [
      {
        "id": "AD01",
        "spend": 240,
        "impressions": 6000,
        "clicks": 120,
        "conversions": 12,
        "conversion_value": 600,
        "previous_spend": 220,
        "previous_conversions": 11
      },
      {
        "id": "AD02",
        "spend": 80,
        "impressions": 2000,
        "clicks": 40,
        "conversions": 0,
        "conversion_value": 0
      },
      {
        "id": "AD03",
        "spend": 0,
        "impressions": 0,
        "clicks": 0,
        "conversions": 0,
        "conversion_value": 0
      }
    ]
  }
}