分类：教育/科学-外语学习-英语考试
问题：getInternetoff?Servicessuchasins 
Services sh as instant messaging are used, but not by everyone. It usually depends whether the phone is Wi-Fi compatible, because otherwise it is very expensive to get Internet off the phone network. 这句中because otherwise it is very expensive to get Internet off the phoneServices sh as instant messaging are used, but not by everyone. It usually depends whether the phone is Wi-Fi compatible, because otherwise it is very expensive to get Internet off the phone network. 这句中because otherwise it is very expensive to get Internet off the phone network. otherwise和get off在句中怎么理解？
回答：otherwise表示“否则的话，不然的话”，从上下文来看，otherwise的意思是如果手机不兼容无线上网功能的话；get off表示“摆脱”，从上下文来看，意思是，如果手机不兼容无线上网功能，就不能使用即时通讯系统（如：飞信， 等），就只能用手机自带的网络服务器进行通信，这样比较慢，又比较贵，所以只有摆脱这种模式，才能提高通讯效率。