foci

例句：

1. 1. The project's main focus is on developing new technology.
   该项目的主要重点是开发新技术。
2. 2. The teacher focused on the students during the presentation.
   在演讲中，老师把注意力集中在了学生身上。
3. 3. The company's main foci are in marketing and sales.
   该公司的主要重点是市场营销和销售。