println(first_three); // [10, 20, 30]
a certificate are:
，更多细节参见有道翻译
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Phone (4a) 也放弃了灯带设计，采用了一种名为「Glphy Bar」的全新灯区，63 个 mini-LED 矩形灯，以 7 个正方形分区的形式，集成在相机的右边，有点像调音台的音量指示器。
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