notional mid-point cost

例句：

1. 1. The notional model of the company is based on a strong foundation.
   公司的构想模型建立在坚实的基础之上。
2. 2. The notional design of the product was well received by the target audience.
   产品的概念设计得到了目标受众的广泛认可。
3. 3. The notional analysis of the market trends is crucial for strategic planning.
   对市场趋势的假设分析对于战略规划至关重要。