Afer all, it is the intent of these products to ether prevent accidents from occuring in the first place or to reduce the injuries suffered by the wearer should an accident occur.
这是argument范文中的一句话,请大家分析一下,有人说是It is the intent of these products to do sth 的句式,那么句尾的should an accident occur如何解释?
谢谢!!