| 单词 | safety net |
| 释义 | safety netsafety netssafety netˈsafety net noun [countable]1a system that helps people when they are too ill, poor etc to help themselves: the safety net of unemployment pay and pensionspension失业救济金和养老金的安全保障措施2a large net that will catch an acrobat if they fall from a high place |
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