为了解开这个矛盾，科学家们研究了格陵兰岛伊苏瓦(isua)地区的古老岩石，去观察地球是怎样随着时间而变化的，以及在什么时候贵重金属进入地球。
To help resolve this discrepancy, scientists investigated ancient rocks from Isua, Greenland, to see how the planet changed over time and when precious metals entered the picture.
不管怎样，那些花掉而没存住的美元，也许不会到某些求之若渴的地方去。
And anyway, the dollars that are spent rather than saved may not go where they are most needed.
不管怎样，这儿的寒冷因为没有风而并不可怕，在零下40度的时候我还是喜欢走着去上班。
Anyway, it's nice cold we have here because we don't have wind. When it gets down to minus 40c I like to walk to work.
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