✔ 最佳答案
The handset equipment lacks the unification,
on the handset provides transforms frequently, the different model also has the different equipment, causes the handset to provide not unified, enables the customer to use in common the handset equipment, but produces not the full
Handset unceasingly not to progress in view of
the main function time, the customer also promotes to the handset request, but for example music, the fluidity, the surfer function,
the copy clerk our design has no way to meet the customer need, therefore another customer choice purchases another brand the handset