The purpose of the occasion was to raise money for medical supplies. [+ of]

那次活动是为筹集资金购买医药物资。

Various insurance schemes already exist for this purpose.

已经有各种保险计划可以实现这一目的。

...the use of nuclear energy for military purposes.

核能在军事上的运用

He was asked about casualties, but said it would serve no purpose to count bodies.

有人问他伤亡情况，但他说清点尸体是没有意义的。

Most of them are destroyed because they've served their purpose.

它们中大多数在完成使命后被销毁。

They might well be prepared to do you harm in order to achieve their purpose.

为达成自己的目的，他们说不定已经做好了伤害你的准备。

His purpose was to make a profit by improving the company's performance.

他的目标是通过提高公司的业绩来实现盈利。

The teachers are enthusiastic and have a sense of purpose.

教师们很热情并且很有决心。

For all practical purposes the treaty has already ceased to exist.

实际上协议已经不复存在。

To all intents and purposes the case was closed.

实际上该案已经了结了。

Was it an accident or did David do it on purpose?

是意外还是戴维故意所为？