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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                      16.03 → 15.98   down  acos=31.1%   cost=391.89   clicks=272
  kw    slot car set                    1.65 → 1.60    down  acos=53.6%   cost=53.64    clicks=46
  kw    carrera go slot cars            0.45 → 0.40    down  acos=127.3%  cost=101.86   clicks=78

20250521MR出单keywords / 广告组 - 21/05/2025 11:08:59.400
  kw    slot cars                      16.65 → 16.60   down  acos=43.6%   cost=187.20   clicks=105