The practices are classified under five approaches, encompassing: absolute, relative and subjective poverty lines, unmet basic needs or deprivations, and the combined deprivation and poverty lines approach.
各种做法分为五类：赤贫、相对贫穷、主观贫穷、未满足的基本需求，或匮乏、以及匮乏和贫穷线共用方法。