The latest earbuds are said to offer improved audio quality and active noise cancellation (ANC), with an ambient sound mode, adaptive EQ and adaptive ANC. On Buds 4 Pro, there's a siren detection feature that enables ambient sound to let you hear things like alarms or emergency vehicle warnings.
如果能给你带来安慰，请记住：许多成功人士在你们这个年纪，也并不知晓答案，这没有关系。我学到的一点是：未来不可预测。与其问「会发生什么？」，不如问「当它发生时，我会成为什么样的人？」
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– Only modify the torn-paper interior areas.
return (float)rand() / RAND_MAX;