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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                       3.10 → 3.15    up    acos=15.9%   cost=360.73   clicks=282
  kw    slot car set                    0.93 → 0.91    down  acos=51.8%   cost=97.83    clicks=88

20250521MR出单keywords / 广告组 - 21/05/2025 11:08:59.400
  kw    slot cars                       1.40 → 1.35    down  acos=62.0%   cost=99.18    clicks=48