bookkeeping computer so it can check account balances before dispensing cash.
Sign up for our Future Earth newsletter to keep up with the latest climate and environment stories with the BBC's Justin Rowlatt. Outside the UK? Sign up to our international newsletter here.
，更多细节参见爱思助手下载最新版本
Best for finding exclusive prices on Amazon.
Ergonomic shape, quality materials and satisfying clicks, now with novel haptic feedback and repairable design