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AU  门槛=30%  门=cost>10  步长 up=0.05 down=0.01  条数=3
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20240509MR手动广告 / MR_slot关键词
  kw    slot cars                       3.15 → 3.20    up    acos=14.7%   cost=361.23   clicks=285
  kw    slot car set                    0.91 → 0.89    down  acos=51.1%   cost=96.49    clicks=88

20250521MR出单keywords / 广告组 - 21/05/2025 11:08:59.400
  kw    slot cars                       1.35 → 1.30    down  acos=61.7%   cost=98.79    clicks=47