Itself does not occupy the space, in this basis can also save some money, it can be said to be a more economical choice.

本身这些不占空间，在这样的基础上还能够节省一定的资金，可以说是较为经济的一种选择。

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Computer memory is an important system resources, any procedures data and the control data structure must occupy some storage space.

存储器是计算机系统的重要资源之一，任何程序、数据和各控制数据结构都必须占用一定的存储空间。

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Rather, it houses an exhibition hall, the famed Rose Main Reading Room, and some 5 million research volumes many of them housed in closed stacks that occupy a space two blocks long, a quarter-block wide and eight stories high.

WSJ: Libraries Rethink Their Role in City