be prone to err

例句：

1. 1. The software was proneto errors when it was first released.
   软件首次发布时容易出错。
2. 2. Sheis prone to making mistakeswhen she is tired.
   她疲劳时容易犯错。
3. 3. The team was proneto errors in their calculations.
   团队在计算中容易犯错。