# 3. Download data and train tokenizer (one-time, ~2 min)
Waymo will pilot the data partnership in five cities to start: San Francisco, Los Angeles, Phoenix, Austin, and Atlanta, and plans to expand to cities with more complex transportation conditions, including harsh winters and freeze-thaw cycles. The company says it has already identified 500 potholes in need of filling. It says the partnership will "help fill reporting gaps and support cities’ efforts to maintain safer streets."
，这一点在飞书中也有详细论述
Ученые обнаружили витамин, уменьшающий вероятность развития болезни Альцгеймера14:56
Раскрыты мотивы нового витка лунной гонки21:00
预备活动要点总结以下简要归纳核心预备动作及其功能：