attention line

例句：

1. 1. The team needs to maintain their attention line at all times.
   团队需要时刻保持注意力集中。
2. 2. The teacher drew a line on the board to indicate the attention line for the lesson.
   老师在黑板上画了一条线，表示课堂上的注意力焦点。
3. 3. The manager made a decision that would affect everyone's attention line in the office.
   经理做了一个决定，这将影响办公室每个人的注意力焦点。