"""抽象存储接口 - 定义统一存储行为"""
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，这一点在体育直播中也有详细论述
type PropsOnly[T] = typing.NewProtocol(，推荐阅读体育直播获取更多信息
And as for their noise-cancelling features, Mangino says "The ANC on this pair of headphones is just right, too. It isn't the best I've ever experienced, which isn't entirely surprising since the ear cups aren't particularly snug; that's great for comfort, but less effective for passive noise cancellation. But I find that its ANC easily blocks out the noise of busy city streets and the clink and clatter of my local coffee shop."