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Top up「手機儲值」

手機「儲pos值」，英文叫做「top-up」。Top up本來的意思是把一個容器填滿，就是續杯的意思。現在這個詞又擴大了應用的範圍，比如給手機充值，或者給公共交通卡充值，等等。

pos

To top up means to refill a container until it is full again. But in recent years to top up has come to mean putting more credit into a mobile phone account.

A: My mobile phone is out of credit.

B: Here, use mine.  With calls billed on a post paid basis, (固定收費) you never have to worry about running low on value or have to top up your calling card.

A: Yeah, you bet.  Do you know where I can top up my phone?

B: You can buy a top-up card in any convenient stores.  Or you can top up your mobile phone on the internet – just go to the website and buy credit for your phone with your credit card.

除了top up，還可以用recharge。pos
　　
Your calling credit is low.  You may need to recharge your account.pos