When everyone’s obsessed with what’s in and what’s not, tempers flare; mine mostly.

如果每个人总是被喜欢什么，不喜欢什么的情绪所困扰，那么脾气就发作了，而且大部分情况如此。

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But our libraries had remained separate, mine mostly at the north end of our loft, his at the south.

但我们的藏书却仍然保持各自为政：我的书大都摆放在我们这间阁楼的北头，而他的都堆在南头。

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Silver minerals in this mine mostly occurred as native silver embedded in quartz and shaPed into grained, schistose or tree-like structure.

发现该矿银主要以自然银的形式存在，自然银多呈粒状、片状或树枝状嵌生在石英中。

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South Africa's police are under scrutiny for other cases of violence, such as the Aug. 16 shooting into a crowd of mine protesters armed mostly with machetes and sticks, which left 34 people dead.

WSJ: South Africa Police Charged in Dragging Death

And you do have to convert to reserves to be able to mine it: well, mostly.

FORBES: But Every Generation Does Indeed Exhaust Its Mineral Reserves

Blankenship has kept Massey focused stubbornly on Central Appalachia, where a century of digging has left seams mostly too short and thin to mine profitably at current prices.

FORBES: Not King Coal