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It needs the largest possible library of formalized knowledge to build on. Verifying software is mathematics: the same reasoning that proves a theorem in abstract algebra proves that a cryptographic library correctly implements its specification. A platform that serves mathematicians and engineers is not a compromise. It is the recognition that rigorous reasoning is one discipline, whether applied to prime numbers or protocol correctness.
很多应用只是把 iOS 或 Android 版本简单移植过来，既没有针对动态磁贴做信息设计，也没有适配横向布局或系统交互逻辑，更谈不上体验优化。结果往往是功能残缺、性能粗糙，看起来像一个被仓促拼接的半成品。用户自然得出结论：Windows Phone 的 App 都不好用。而这种印象，又进一步降低了平台吸引力。