1.  The government's one-child policy is an effective means to avoid these ossible tragedies caused by over-population.

2.  Furthermore, in order to promote the legalization of euthanasia, the influence of traditional ideas should be deduced or removed by an effective means of education and mass-media promotion.

3.  If a patient is willing to come to death more quickly, then euthanasia can be an effective means to assist him/her.