The center's "Shop with Your Doc" program sends doctors to the grocery store to meet with any patients who sign up for the service, plus any other shoppers who happen to be around with questions.
On the other hand, you would store the location of a program in the system tree, as that location is the same for all users and is potentially useful to all users.
另一方面，您要将程序位置存储在系统树中，因为位置对于所有用户是相同的，并且所有用户都可能用到它。
3
Are you using a spread sheet program to store your customer database?