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。
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.
大多数的考古工作真是又累又苦，又慢又脏；逐一记录下发掘出来的有用没用的物品的过程，就更别提有多缓慢了。
Most archaeology is of course a slow dirty business, followed by even slower recording of what has been found.
大多数的考古工作真是又累又苦，又慢又脏；逐一记录下发掘出来的有用没用的物品的过程，就更别提有多缓慢了。
Most archaeology is of course a slow dirty business, followed by even slower recording of what has been found.
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