短信，彩信，彩铃，手机游戏，手机邮箱……这些增值服务究竟给我们带来了便利还是麻烦呢？

Short messages, multimedia messages, color ring back tones, mobile game, and mobile email... Known as value-added services, do they really bring value or trouble?

youdao

短信，彩信，彩铃，手机游戏，手机邮箱……这些增值服务究竟给我们带来了便利还是麻烦呢？

Short messages, multimedia messages, color ring back tones, mobile game, and mobile email... Known as value-added services, do they really bring value or trouble?

youdao