拿税务软件来做例子。
比如，一名飞行教官可以测试飞行模拟游戏，一名会计师可以测试税务软件，一名教师可以测试一个新的教育软件。
For example, a flight instructor could test a flight simulator game, an accountant could test tax preparation software, or a teacher could test a new child education program.
这些名字背后的职位具有同一特征：他们都是某一领域的专家。 举个例子，税务软件公司的员工中有税务专家；薪金服务公司员工中有深谙国家、州和当地薪金税率法规的专家；健康软件公司员工中有内科医生、护士和其他医务专家。
the national, state and local regulations regarding compensation and payroll taxes, and health care software companies to have physicians, nurses or other medical specialists.
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