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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                    28.70 → 29.00   up    acos=15.3%   cost=321.77   clicks=177
  kw    agm                            23.60 → 21.20   down  acos=73.0%   cost=1787.34  clicks=1038
  kw    pista electrica de carreras     5.60 → 3.92    down  acos=inf     cost=91.34    clicks=16

20230610_ManalPromotion / Slot car race set词组
  kw    autopista electrica             7.50 → 7.80    up    acos=15.9%   cost=262.54   clicks=89
  kw    pista carros electrica          0.36 → 0.40    up    acos=17.5%   cost=368.23   clicks=94

20230610_ManalPromotion / Slot car race set精准
  kw    pista de carreras f1            2.60 → 1.82    down  acos=inf     cost=92.18    clicks=13
  kw    agm                             4.97 → 4.07    down  acos=inf     cost=112.67   clicks=175