小马拉大车的结果显而易见：高喊着取代 iPhone 的 Ai Pin 续航崩盘、发热烫人，最终随着服务停止、公司出售，产品也沦为昂贵且无用的电子垃圾。
if (len === 0) return []; // 补充空数组边界，避免后续逻辑出错
，这一点在同城约会中也有详细论述
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For implementers, there's no Transformer protocol with start(), transform(), flush() methods and controller coordination passed into a TransformStream class that has its own hidden state machine and buffering mechanisms. Transforms are just functions or simple objects: far simpler to implement and test.