互聯網平台都有先發效應，一旦形成規模就很難被同樣的產品完全替代，別的競爭者隻能追趕或者創新。

來源: tz2000 於 2025-09-16 12:03:47 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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