Then you can preview the changes beforehand to see what it will do.
然后可以预览更改，查看要进行的操作。
See that everything is properly arranged beforehand.
一定要把一切事前安排好。
The menu is based on a configuration file which you prepare beforehand (see Configuration).
菜单是根据你事先准备好的一个配置文件来显示的。
If you anticipate a problem, see the instructor beforehand!
如果你觉得会有问题，请事先与授课人员联系。
If you anticipate a problem, see the instructor beforehand!
如果你觉得会有问题，请事先与授课人员联系。
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