failure bit

例句：

1. 1. The project's failure was due to a lack of funding.
   项目的失败是由于资金不足。
2. 2. The software had several defects that needed to be fixed.
   软件有几个缺陷需要修复。
3. 3. His performance fell short of expectations, which was a shortcoming in his preparation.
   他的表现在预期之下，这是他准备不足的一个缺点。