There’s a saying that “abstractions are always leaky”.
世界首个「隐私屏」，用技术防偷看
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How to watch Timberwolves vs. Clippers for freeMinnesota Timberwolves vs. LA Clippers in the NBA is available to live stream for free with a 30-day trial of Amazon Prime.，这一点在heLLoword翻译官方下载中也有详细论述
Tony Jolliffe BBC