In this article, you need to back up the general statement with specific examples.
在文章中，你需要用具体的例子支持总的观点。
Like, if you need to have him pick up the laundry on the way back from office, he might "suddenly" have a very important meeting spring up.
例如，你如果要他在下班回家的途中去洗衣店取回洗完的衣服，这时候他会突然告诉你他临时有一个非常重要的会议。
Tables 1 and 2 represent data you need to back up on each node.
表1和2代表在每个节点上所需备份的数据。
We probably need to back up for one moment here.
这里，我们可能需要回顾一下。
Next you need to back up the database using the BACKUP command.
然后需要使用BACKUP命令备份数据库。
If you need to bring it back up, just switch the down with up.
如果需要启动它，只需把down改为up。
If it moves more, you will also need more work to come back up.
如果一个物体可以移动，你也将需要更多的工作去回来了。
I really need to back up all my photos.
我必须得备份我所有的照片。
You need to back up the work and split the exercise into smaller pieces.
你需要退回去，把训练拆分得更小一些。
I need to do some exercises and loosen up my tense back.
我需要做一些锻炼来放松我紧张的背部。
You need an Internet connection to back up your data.
“： ”需要Internet连接以备份你的数据。
You need an Internet connection to back up your data.
“： ”需要Internet连接以备份你的数据。
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