第二道门槛是成本。依托垂直一体化产业链，比亚迪在电池成本与集成效率上具备明显优势。竞争对手若依赖外部采购，难以获得同样的规模效应；若选择自研自产，则意味着巨额研发和产能投入，短期内难以形成对等竞争力。
'A dangerous precedent'
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There is a way to execute dalvik directly, with the command dalvikvm, which asks for a class name, but I have not found a way to use this productively somehow.