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MX  门槛=20%  门=cost>80  步长 up=0.3 down=0.3  条数=8
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20230610_ManalPromotion / Slot car race set词组
  kw    pista de coches                 0.30 → 0.60    up    acos=inf     cost=0.00     clicks=0
  kw    autopista electrica             6.90 → 7.20    up    acos=14.4%   cost=237.25   clicks=85
  kw    pista carros electrica          0.30 → 0.60    up    acos=19.4%   cost=406.71   clicks=102

SP Campaign Recommendation - Suggested Products - 03/30/2022 a70a69 / AGM MASTECH - Slot Cars/Racing
  kw    agm mastech                    28.10 → 28.40   up    acos=14.8%   cost=310.00   clicks=395
  kw    agm                            28.40 → 26.00   down  acos=78.6%   cost=1650.40  clicks=975
  kw    pista electrica de carreras    10.40 → 8.00    down  acos=inf     cost=91.34    clicks=16

20230610_ManalPromotion / Slot car race set精准
  kw    pista de carreras f1            5.00 → 2.60    down  acos=inf     cost=90.61    clicks=12
  kw    agm                             9.50 → 7.10    down  acos=inf     cost=112.67   clicks=175