For example, having a copy of the data allows a business to operate in the event of a problem with the first environment.
例如,一个服务器出现故障时,使用该服务器上的数据的备份可使公司正常运营。
We must first inform people of the dangers of a poor environment.
我们必须首先让人们知道不良环境的危害。
I think it is a good idea to set up a club like that! You can first give speeches about protecting the environment at school.
我认为建立这样一个俱乐部是个好主意!你可以先在学校做关于保护环境的演讲。
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