As companies grow, there is a need to administer the HR function, but that doesn't necessitate an HR Department. 随着公司的成长，有必要使用人力资源管理功能，但是这并不需要成立一个人力资源部门。
To realize the function of workflow management, the business process must be abstracted from the real world and described by a kind of formal method. 摘要为了实现工作流管理功能，必须将业务过程从现实世界中抽象出来，并用一种形式化方法对其进行描述。
