The code to access the program cost $120—a big sum for Harper, who had already put down $450 for textbooks, and had rent day approaching.

获得进入这个程序的代码花费了120美元——这对哈珀来说是一笔大数目，因为她已经付了450美元的课本费，而且马上就要交房租了。

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But the code to access the program cost $120—a big sum for Harper, who had already put down $450 for textbooks, and had rent day approaching.

但是进入这个程序的代码花费了120美元——这对哈珀来说是一笔大数目，因为他已经付了450美元的课本费，而且马上就要交房租了。

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With the basic technology in place, we hope China can accelerate its space program, and bring down the cost of putting stuff into orbit and onto the moon.

希望中国作为一个基础科技国家加速他们的空间计划，将把东西放到轨道和月球上的成本降下来。

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It shows that, the use of standard software tools in system development can effectively cut down the cost and increase the program universality.

实例表明，采用标准化的软件进行开发，能够有效的减少开发的开销，同时增强程序的通用性。

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It shows that, the use of standard software tools in system development can effectively cut down the cost and increase the program universality.

实例表明，采用标准化的软件进行开发，能够有效的减少开发的开销，同时增强程序的通用性。

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