wayside
noun uk/ˈweɪ.saɪd/ us/ˈweɪ.saɪd/
fall by the wayside （某人）半途而废，没能完成;（某物）被搁置，停止使用
If someone falls by the wayside, they fail to finish an activity, and if something falls by the wayside, people stop doing it, making it, or using it.
So why does one company survive a recession while its competitors fall by the wayside? 为什么有些公司能在萧条中生存，而其竞争者却纷纷落马呢？