==============================================================================
AU  门槛=30%  门=cost>10  步长 up=0.05 down=0.01  条数=4
==============================================================================

20240509MR手动广告 / MR_slot关键词
  kw    slot cars                       2.55 → 2.60    up    acos=24.4%   cost=402.72   clicks=267
  kw    slot car set                    1.45 → 1.40    down  acos=59.2%   cost=59.21    clicks=50
  kw    carrera go slot cars            0.28 → 0.26    down  acos=63.1%   cost=50.47    clicks=41

20250521MR出单keywords / 广告组 - 21/05/2025 11:08:59.400
  kw    slot cars                       1.95 → 1.90    down  acos=51.2%   cost=178.64   clicks=88