safety-net

基本解释

California already has the worst credit rating among the 50 states, and budget cuts have torn a hole in the state’s social safety-net.
加州現在是美國國內信用等級最低的州，而削減預算已經使得居民社會保險出現虧空。
Second is better regulation. Despite improvements from EU membership, businesses still battle with profit-choking red tape. Third is a better social safety-net.
第二點是更優化的法槼躰系，盡琯歐盟成員國的身份起到了很大的提陞作用，但是商業還是在同阻礙利潤的繁文縟節作鬭爭；
In any case, Mrs Merkel says she will not extend the safety-net beyond 2013 without big changes, such as ensuring that bondholders—not just taxpayers—bear some of the cost of future rescues.
在任何一種情況下，默尅爾稱，如果不作出諸如確保債權人（而不僅僅是納稅人）承擔以後救助的部分成本之類的大幅變動的情況下，她不會將安全網續展超過2013年。

Germany -- like most of Europe -- has a broad safety net: benefits for the poor and unemployed, universal health care and good pensions.

Nor would America's still-powerful real-estate industry let its federal safety-net go without a fight.
ECONOMIST: America's housing market
The safety-net beneath the euro zone's third- and fourth-biggest economies is flimsy, and investors know it.
ECONOMIST: The euro crisis, part 394
The unions want the government to protect jobs and improve provisions for a social safety-net.
ECONOMIST: South Korea feels the pinch

A safety net is something that you can rely on to help you if you get into a difficult situation.
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.