error by good faith

例句：

1. 1. He made a mistake when he forgot to bring his umbrella.
   他忘记带伞时犯了一个错误。
2. 2. The error in the calculation led to a significant loss.
   计算中的一个错误导致了重大损失。
3. 3. It's important to learn from our mistakes and move forward.
   从我们的错误中学习并向前看是很重要的。