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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                       2.90 → 2.95    up    acos=18.5%   cost=380.81   clicks=270
  kw    slot car set                    1.10 → 1.05    down  acos=45.8%   cost=86.58    clicks=75

20250521MR出单keywords / 广告组 - 21/05/2025 11:08:59.400
  kw    slot cars                       1.60 → 1.55    down  acos=90.3%   cost=144.40   clicks=65