Some people actually build safety nets to prevent children from falling off balconies.

一些人为防止儿童从阳台上掉下去建造了安全网.

超越目标英语 第4册

Not very. Usually we have safety nets under us.

不很危险. 我们下面通常都有安全网.

互联网

Safety nets, if too generous, make work optional.

保障体系如果过于全面, 将使工作不再必需.

互联网

All my safety nets were gone.

因为我所有的安全保护网都撤掉了.

互联网