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AU  门槛=30%  门=cost>10  步长 up=0.05 down=0.05  条数=4
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20240509MR手动广告 / MR_slot关键词
  kw    slot cars                      15.98 → 16.03   up    acos=28.9%   cost=393.24   clicks=277
  kw    carrera go slot cars            0.50 → 0.45    down  acos=138.6%  cost=110.90   clicks=86
  kw    slot car set                    1.70 → 1.65    down  acos=inf     cost=45.89    clicks=39

20250521MR出单keywords / 广告组 - 21/05/2025 11:08:59.400
  kw    slot cars                      16.70 → 16.65   down  acos=40.8%   cost=175.01   clicks=107