Work in your own business, e. g. farming or forestry, may be a secondary employment in relation to another occupation which is the primary employment.

与主要职业相关的工作（如农场或林场的工作）可视为附带职业。

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The problems of large occupation area, solid waste polluting water as well as intensifying secondary geological disaster are existing in the development of the mineral resource in Yunnan Province.

云南省矿产资源开发中，存在占地面积大，固体废弃物污染水体和加剧次生地质灾害等环境问题。

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