1、Aim to do some physical activity three times a week for optimum health.为了达到最佳的健康状况，要力争每周进行3次身体锻炼。
2、The new management techniques aim to improve performance.新的管理技术旨在提高效率。
3、Students should aim to become more independent of their teachers.学生应该努力逐渐减少对老师的依赖。
