Result: The hidden hazard exists in drug use in rural areas.
结果：农村地区药品使用存在安全隐患。
Great potential safety hazard exists: a significant safety accident can occur with a slight negligence.
这存在着很大安全隐患：稍一疏忽，就可能出现重大安全事故。
The geological hazard less exists alone. It often occurs in a group or family.
地质灾害很少单独发生，而常呈某种特定的群、族集体存在。
There exists large potential safety hazard when drivers work under the state of fatigue.
汽车驾驶员在疲劳状态下驾驶汽车存在着非常大的安全隐患。
There exists large potential safety hazard when drivers work under the state of fatigue.
汽车驾驶员在疲劳状态下驾驶汽车存在着非常大的安全隐患。
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