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AU  门槛=30%  门=cost>10  步长 up=0.05 down=0.05  条数=4
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20240509MR手动广告 / MR_slot关键词
  kw    slot cars                      15.98 → 15.93   down  acos=30.9%   cost=388.73   clicks=268
  kw    slot car set                    1.60 → 1.55    down  acos=55.0%   cost=55.01    clicks=47
  kw    carrera go slot cars            0.40 → 0.35    down  acos=117.0%  cost=93.57    clicks=72

20250521MR出单keywords / 广告组 - 21/05/2025 11:08:59.400
  kw    slot cars                      16.60 → 16.55   down  acos=42.9%   cost=183.85   clicks=101