Personal income consists of two sources of legalincome and illegal income. The country should protect the personal income and prevent and defeat illegal personal income.
个人收入应划分为合法收入和非法收入两类，国家应保护合法收入，打击和取缔非法收入。
2
To protect all the legalincome of non-labouring, first of all, we should distinguish the legalincome of non-labouring from the illegal income, and figure out the reason.
保护一切合法的非劳动收入，必须正确区分合法的非劳动收入与非法收入的界限，明确其产生的原因。
3
To get legalincome earned from sources other than work under the protection of law, three issues must be properly resolved; first, to define the nature of income, legal or illegal, in terms of law;