This step is iterative: the more we know about the actual structure of the system, the better we can assess the economic relevance of the restructuring of the system.
此步骤是迭代的：我们对系统的实际结构知道的越多，我们越能够更好地评估系统重新构造的经济相关性。
2
During this elicitation period, which is usually performed in an iterative fashion, new requirements appear and existing requirements are converted into the desired style and structure.