Accidents are caused by either unsafe conditions or unsafe acts 事故是由不安全的條件或行為導致的。
Standard practice for periodic inspection of building facades for unsafe conditions 不安全條件下建筑物正面周期性檢驗的標準規(guī)程
You should not have sold the car in that unsafe condition ; sooner of later you misdeeds will come home to roost 你不該把那輛不安全的汽車賣掉,你的不端行為遲早會得到報應。
You should not have sold the motor - cycle in that unsafe condition ; sooner or later your misdeeds will come home to roost 你不該把那輛不安全的摩托車賣掉,你的不端行為遲早會得到報應。
The backlog of maintenance problems - - called " deferred maintenance " - - led to unsafe conditions in classrooms , offices and laboratories 維護方面的問題的拖延? ? ?也稱為“維護滯后” ? ? ?導致了教室、辦公室和實驗室處于不安全的狀況。