safety net

1 net placed to catch an acrobat, etc if he should fall (杂技演员等用的)安全网. 2 (fig 比喻) arrangement that helps to prevent disaster if sth goes wrong 安全保障措施: If I lose my job, I've got no safety net. 我丢掉这份工作就无计可施了.


[[修改/添加解释]]