unfeasibility

例句：

1. 1. The project's timeline is unfeasible for the current resources.
   这个项目的时间线对于当前的资源来说是不可行的。
2. 2. The new policy has raised concerns about its unfeasibility.
   新政策引发了对其不可行性的担忧。
3. 3.The company's proposal was deemed unfeasible due to lack of funding.
   由于缺乏资金，公司的提案被认为是不可行的。