I do not want to promote techsolutionism nor do I want people to feel falsely secure. It's still an imperfect approach and propably always will be. It's not all good only because this app exists now. We need better solutions to curb on surveilance tech and privacy intrution.
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。
，这一点在Line官方版本下载中也有详细论述
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