The sanitation problem of family workshops in the food industry has existed for a long time.

食品工业中家庭作坊的卫生问题已经由来已久。

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It has been well known that iodine deficiency can result in goiter, and this has become an global sanitation problem.

碘的缺乏将会引起甲状腺肿大症，这己成为全球范围的一大公共卫生问题。

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Non-income poverty is a serious problem in terms of high malnutrition and maternal mortality rates, inadequate access to safe water and sanitation, and education outcomes.

非收入性贫困是一个严重问题，受其影响，营养不良率和孕产妇死亡率居高不下，安全饮水和环卫设施不足，教育成果较差。

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According to Sim, one of the most important ways to solve the worldwide sanitation problem is to talk about it.

BBC: A day to break toilet taboos

We're also without any water and sanitation is a problem.

BBC: New Zealand earthquake aftermath: Your stories

Kenya, with eight million without access to proper sanitation but a university filled with bright and eager minds to help solve the problem, was an ideal testing ground.

FORBES: Who Gives A Crap? Sanitation, Energy and Entrepreneurship in Kenya