defect of block

例句：

1. 1. The car has a defect inthe brakes.
   这辆车的刹车有缺陷。
2. 2. The software has a flaw thatneeds to be fixed.
   软件有一个需要修复的缺陷。
3. 3. The design has a flawthat makes it difficult to use.
   设计有一个难以使用的缺陷。