amain

例句：

1. 1. The main reason for the delay was due to a technical issue with the software.
   延误的主要原因是由于软件的技术问题。
2. 2. The main goal of the project is to improve efficiency in production.
   该项目的主要目标是提高生产效率。
3. 3. The main focus of the meeting was on discussing the budget.
   会议的主要焦点是讨论预算。