You'll need some cash in local currency but you can also use your credit card.

你将需要一些当地的货币现金，但也可使用信用卡。

《牛津词典》

But, this gives not only credit card service but also purchasing power in both local and foreign currency, an aid in getting around China's restrictive capital controls.

但这不仅能使信用卡服务，也能使本国货币和外汇购买力避开中国的资本控制有限这个弱点。

youdao

ATMs always dispense local currency, of course, so use your debit or credit card and get your money there.

反正取款机肯定有本地货币，所以干脆用签帐卡或信用卡从那里取钱吧。

youdao

Second, each time you make a local purchase using your card, make sure you pay in the local currency and not in sterling.

BBC: Travel money: When is the best time to buy?