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。
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。
How much did the program cost?
计划的成本是多少？
How much did the program cost?
计划的成本是多少？
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