While every business is different, it's safe to say that many companies would choose a Wi-Fi-only tablet over a 3G/Wi-Fi model, particularly if the 3G option requires a long-term data contract.

当然，各种商业模式都不尽相同，保险的说，多数公司将会选择只有Wi-fi服务的平板电脑，而谨慎推出Wi-fi/3G款式。 尤其是3G款式需要长期捆绑数据套餐。

youdao

The Wi-Fi option is at Google's sole discretion, and no guarantees were made.

NPR: Google Buying $39M Fiber Service In Utah For $1

Users also have the option of watching movies over a Wi-Fi connection, which would be a free or at least much lower-cost option than 3G.

FORBES: The Catch-22 Of Launching Video Apps On The IPhone

For some users, the option to enable Wi-Fi is completely grayed-out, while others are able to turn on Wi-Fi but are unable to connect to a network.

FORBES: iOS 6 Wi-Fi Problems Still Plague Some Users