vanity 800 numbers造句

例句与造句

1. As toll-free telephone numbers, vanity 800 numbers support flexible call tracking which allows businesses to determine where their incoming call traffic is coming from, build a database of leads, access demographic information on callers, allocate personnel based on calling patterns, analyze ad campaign results and export data to other programs.
2. It's difficult to find vanity 800 numbers in a sentence. 用vanity 800 numbers造句挺难的