safe net

例句：

1. 1. The company's new safety net will protect employees from accidents.
   公司的新安全网将保护员工免受事故伤害。
2. 2.The teacher provided a safety net to help the students with their math problems.
   老师提供了帮助学生解决数学问题的安全网。
3. 3.The government has introduced a safety net for low-income families during the pandemic.
   政府在疫情期间为低收入家庭提供了安全网。