萨姆完全出于主动，开始把那天夜里发生的事一一向我们说了出来。
Quite unprompted, Sam started telling us exactly what had happened that night.
元数据不是增量复制的，而是每次都一一完全复制。
This metadata is not incremental; it is a full copy each and every time.
那些山脉以及蕴藏在地底的煤矿影响着西弗吉尼亚；它也是唯一一个完全依赖于阿巴拉契亚山脉的州，同时它生产的煤矿量占到美国总数的15%。
Those mountains, and the coal that lies beneath them, dominate West Virginia; it is the only state that lies entirely within the Appalachians, and it produces 15% of America’s coal.
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