Welfare is the only real safety net for low-income workers.

福利是低收入工人们惟一真正的安全保障。

《柯林斯英汉双解大词典》

The safety net has holes.

安全网络有漏洞。

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This "added-worker effect" could support the safety net offered by unemployment insurance or disability insurance to help families weather bad times.

这种 “附加工人效应” 可以加强失业保险或残疾保险提供的安全保障，帮助家庭渡过难关。

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