要那样做的话需要大规模地联合运行2套系统好一段时间。
To do so requires running the two systems in tandem for a while on a large scale.
这样做是特意的,因为那样能使我们集团的所有个体紧密地相互作用,为最大规模的经济做准备。
This is done intentionally, because it will enable all units of our group to interact closely, providing for maximum economies of scale.
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