The main purposes are to deter habitual traffic offenders and to improve standards of driving in order to reduce the accident toll 其主要目的是阻吓经常违反交通规例的人士和提高驾驶水准，从而减少交通意外所引起的伤亡。
2.
The main purposes are to deter habitual traffic offenders and to improve standards of driving in order to reduce the accident toll . which traffic offences will attract driving - offence points 其主要目的是阻吓经常违反交通规例的人士和提高驾驶水准，从而减少交通意外所引起的伤亡。
