1、
But while these were fast, they were also large, energy hungry and expensive to produce.
虽然这些芯片速度快, 但体积大, 能耗大,制造成本高昂.
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2、
与俄罗斯和沙特的石油同行不一样，中石油没有足够巨大的矿产财富来供应迫切需要能源的祖国。
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