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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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SP Campaign Recommendation - Suggested Products - 03/30/2022 a70a69 / AGM MASTECH - Slot Cars/Racing
  kw    agm mastech                    28.40 → 28.70   up    acos=11.8%   cost=247.51   clicks=278
  kw    agm                            26.00 → 23.60   down  acos=73.0%   cost=1787.34  clicks=1038
  kw    pista electrica de carreras     8.00 → 5.60    down  acos=inf     cost=91.34    clicks=16

20230610_ManalPromotion / Slot car race set词组
  kw    autopista electrica             7.20 → 7.50    up    acos=15.3%   cost=252.40   clicks=88
  kw    pista carros electrica          0.33 → 0.36    up    acos=18.1%   cost=380.40   clicks=98

20230610_ManalPromotion / Slot car race set精准
  kw    pista de carreras f1            3.50 → 2.60    down  acos=inf     cost=92.18    clicks=13
  kw    agm                             7.10 → 4.97    down  acos=inf     cost=112.67   clicks=175