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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                       3.05 → 3.10    up    acos=15.9%   cost=360.48   clicks=276
  kw    slot car set                    0.95 → 0.93    down  acos=50.8%   cost=95.95    clicks=86

20250521MR出单keywords / 广告组 - 21/05/2025 11:08:59.400
  kw    slot cars                       1.45 → 1.40    down  acos=63.2%   cost=101.14   clicks=50