translation.en: It's called harm reduction, and it involves, among other things, providing clean needles and syringes, offering opioid substitution therapy and other evidence-based treatments to reduce drug dependence.
translation.zh: 这叫做减低伤害。 包括清洁针头，注射器， 提供毒品替代疗法， 和其他经过验证 有疗效的治疗法， 来减少药物依赖性。