A business or software system can be documented by writing single requirement statements, and these statements can be greatly expanded by applying the principles of use-case design.
一个商业或者软件系统可以通过逐一记录下需求陈述来备案，这些陈述也可以通过运用用例设计的原则得到极大的扩展。
The potential for such wide distribution persuaded developers to spend more time writing software for Microsoft's operating system than for Apple's.
这种广泛传播的可能性使得程序员宁可花费更多时间为微软而非苹果的操作系统写程序。
When writing software on a deadline, more often than not, you're writing a complex system.
当需要在截止日期内开发软件时，往往你正在编写一个复杂的系统。
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