We rely on the Earth for everyting we need to survive, so let's take care of it.
我们依赖地球获取我们生存的一切东西,因此让我们来细心呵护它。
In the 1970s, computers were common enough, but only in big business, government departments, and large organizations.
在70年代,计算机已经相当普及了,但只用在大公司,政府部门和大的组织之中,