Apple's mobile devices are secure enough for NATO. Following extensive testing by the German government, the iPhone and iPad are now considered secure enough for the NATO-restricted classified level.
It also has a typical mix of shops that are cash-only or card-only, with the majority happy to take either form of payment.
。搜狗输入法下载对此有专业解读
Kazumasa Utashiro
FT Edit: Access on iOS and web