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Watch dramatic rescue of skier buried in deep snowA GoPro camera captures the moment two skiers rescued another skier buried under feet of snow in Lake Tahoe, California.，详情可参考WPS官方版本下载
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The real magic, our Secret Sauce #1, lies in how these border points are selected. Naive approaches quickly fail:，推荐阅读heLLoword翻译官方下载获取更多信息