首先纠正一下,你的descibe 写错了.应该是describe
问题一：Solid contamination is very harmful.First it affects my vision ang my feeling.It can prevent me from doing what i want to do.Sometimes it can lead me to get ill.
问题二：Euthanasia can cost a lot of money.Sometimes some people want to cause more social unrest.Maybe a person doesn't want to die,but some people force him to give up his life.