You need to weigh the benefit associated with the increased complexity or effort compared with the costof adding this element into the design.
您需要将增加的复杂性或工作所相关的好处与向设计中添加此元素所带来的成本进行权衡。
2
Each record has an element, which contains the costof an item sold in the department.
每个记录有一个元素，其中包含该部门销售的商品的成本。
3
It provides detailed information about the work to be done, activities, and milestones, cost estimates, resources required, and contract information for each elementof the WBS.