疵点

例句：

1. 1. The book has several minor errors that need to be corrected.
   这本书有几个小错误需要更正。
2. 2. He noticed a few flaws in the design that needed improvement.
   他注意到设计中的几个缺陷需要改进。
3. 3. The product is not perfect;there are some minor flaws that we should address.
   这个产品不完美，有一些小缺陷我们需要解决。