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MX  门槛=20%  门=cost>80  步长 up=0.3 down=0.3  条数=7
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20230610_ManalPromotion / Slot car race set词组
  kw    autopista electrica             5.70 → 6.00    up    acos=10.6%   cost=174.22   clicks=70
  kw    pista carros electrica          1.20 → 0.90    down  acos=22.5%   cost=472.79   clicks=114

SP Campaign Recommendation - Suggested Products - 03/30/2022 a70a69 / AGM MASTECH - Slot Cars/Racing
  kw    agm mastech                    33.50 → 33.20   down  acos=24.0%   cost=503.93   clicks=707
  kw    pista electrica de carreras    15.80 → 15.50   down  acos=inf     cost=101.40   clicks=18
  kw    agm                            33.80 → 33.50   down  acos=inf     cost=688.52   clicks=466

20230610_ManalPromotion / Slot car race set精准
  kw    pista de carreras f1           10.40 → 10.10   down  acos=inf     cost=90.61    clicks=12
  kw    agm                            14.90 → 14.60   down  acos=inf     cost=107.95   clicks=171