purposes
The purpose of something is the reason for which it is made or done.
reason , objective , aim
The purpose of the occasion was to raise money for medical supplies.
此次活动的目的是筹款购买医疗用品。
the use of nuclear energy for military purposes.
出于军事目的使用核能 。
Various insurance schemes already exist for this purpose.
已有多种针对该目的的保险计划。
He was asked about casualties, but said it would serve no purpose to count bodies.
他被问及伤亡情况,但他回答说统计死亡人数无济于事。
Purpose is the feeling of having a definite aim and of being determined to achieve it.
The teachers are enthusiastic and have a sense of purpose.
教师们情绪高涨,很有使命感。
on purpose
If you do something on purpose, you do it intentionally.
Was it an accident or did David do it on purpose?
这是个意外呢,还是戴维故意这么做的?