shǒu jī méi wǎng yín háng kǎ bù zhī chí shí bèi yòng zhī fù fāng shì hěn zhòng yào

手机没网、银行卡不支持时，备用支付方式很重要。

When the phone has no network or the bank card is not supported, a backup payment method is very important.