燃放烟火而释放出的有害气体对人们的身体健康有潜在危害，因为这些有害气体会导致人们患上严重的疾病，例如呼吸道疾病。
The hazardous gases from setting off fireworks are a potential harm for people's health because these gases are the causes of some serious disease like respiratory diseases.
燃放烟火而释放出的有害气体对人们的身体健康有潜在危害，因为这些有害气体会导致人们患上严重的疾病，例如呼吸道疾病。
The hazardous gases from setting off fireworks are a potential harm for people's health because these gases are the causes of some serious disease like respiratory diseases.
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