reasoning model

例句：

1. 1.The scientist used reasoning to explain the phenomenon.
   科学家使用推理来解释这个现象。
2. 2. The decision was based on sound reasoning.
   这个决定是基于合理的推理做出的。
3. 3. He had no valid reason for not attending the meeting.
   他没有出席会议的合理理由。