计算机能解决十分复杂的数学问题，也能把成千上万件不相关的事件整理得井井有条。

Computer can solve the most complex mathematical problems or put thousands of unrelated facts in orders.

局域网就是在一个有限的地域范围内，典型的如在办公大楼或校园中，将计算机及相关外设（如打印机）用电缆进行物理连结而组成的一个系统。

A LAN is a system of computers and associated peripherals such as Printers that are physically connected by cable within a limited geographical area-typically in an office building or on a college campus.