ELR

例句：

1. 1. The ELR is a simplified version of the original document.
   ELR是原始文件的简化版本。
2. 2. The ELR was used to identify the source of the leak.
   ELR用于识别泄漏的来源。
3. 3. The ELR was designed to be user-friendly and easy to understand.
   ELR设计为用户友好和易于理解。