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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                       2.95 → 3.00    up    acos=18.8%   cost=387.56   clicks=272
  kw    slot car set                    1.05 → 1.00    down  acos=47.3%   cost=89.35    clicks=78

20250521MR出单keywords / 广告组 - 21/05/2025 11:08:59.400
  kw    slot cars                       1.55 → 1.50    down  acos=76.7%   cost=122.73   clicks=58