题目

On February 18, 2016, Apple launched Apple Pay,  its mobile payments service, in China. Apple Pay was launched with a current and planned support of 19 of the country's largest lenders. Paying is simple with the touch of a finger and can happen in one motion. In stores, instead of scanning a bar code, Apple Pay users will only utilize what is called near-field communication technology (NFC) and there's no need to open an app or wake your display. With the innovative NFC antenna design, simply hold iPhone near China Unionpay's Quickpass-enabled POS terminals with your finger on Touch ID一奶粉袋上标有净重（400±5）克，这种奶粉最重不超过405405克，最轻不低于395395克．