用杀虫剂处理蚊帐和治疗药物这些现有的办法需要细心协作和良好的卫生系统。
The existing tools of insecticide-treated bed nets and treatment drugs require careful co-ordination and good health systems.
用杀虫剂处理蚊帐和治疗药物这些现有的办法需要细心协作和良好的卫生系统。
The existing tools of insecticide-treated bed nets and treatment drugs require careful co-ordination and good health systems.
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