1N-COUNT (预防不测的)保障措施,安全网 A safety net is something that you can rely on to help you if you get into a difficult situation. (预防不测的)保障措施,安全网
Welfare is the only real safety net for low-income workers. [+ for]
对于低收入工人来说，福利救济是唯一真正有效的保障措施。
2N-COUNT (马戏团的)安全网，保护网 In a circus, a safety net is a large net that is placed below performers on a high wire or trapeze in order to catch them and prevent them being injured if they fall off. (马戏团的)安全网，保护网