Many illnesses are the re-sult of inadequate sanita -tion.
许多疾病都来源于
健全

设施。
Many illnesses are the re-sult of inadequate sanita -tion.
许多疾病都来源于
健全

设施。
It’s not sanitary to let flies come near food.
让苍蝇接近食物是


。
I would call it one of the most unsanitary areas in the world.
我愿称它为世





区之一。
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