safety net
noun/ˈseɪfti net/
/ˈseɪfti net/
- an arrangement that helps to prevent disaster if something goes wrong
（防备不测的）安全网；保障措施 - a financial safety net
金融“安全网” - people who have fallen through the safety net and ended up homeless on the streets
未能享受保障措施终致流落街头的人
- a financial safety net
- a net placed below acrobats, etc. to catch them if they fall
（保护杂技演员等的）安全网