blank code

例句：

1. 1. The programmer entered a blank code to fix the error.
   程序员输入了一个空白代码来修复错误。
2. 2. The data was filled with blank codes that needed to be replaced.
   数据中充满了需要被替换的空白代码。
3. 3. Developers often use blank codes to test their software without affecting the actual data.
   开发者经常使用空白代码来测试他们的软件，而不会影响实际数据。