attention key

例句：

1. 1. The teacher focused on the students' questions during the class.
   老师在课堂上专注于学生的问题。
2. 2. The manager pointed out the importance of quality control in the production process.
   经理指出生产过程中质量控制的重要性。
3. 3.The researcher emphasized the need for immediate action to address the issue.
   研究员强调了立即采取行动解决该问题的必要性。