With a mobile device, form input and validation can be much harder to display in a format that is usable.

但在行动装置下，要以可用的格式显示表单输入和验证是极为困难的。

youdao

With a mobile device, form input and validation can be much harder to display in a format that is usable.

但在行动装置下，要以可用的格式显示表单输入和验证是极为困难的。

youdao