出国游之前，兑换外币是必须要做的准备工作之一，但兑换外币需要带上大把的现金去银行排队，若兑换小币种还要提前预约，不预约可能根本兑换不到。不过现在方便了，携程App接入微信支付功能，省去了排队的痛苦。...
Prior to travel abroad, foreign currency exchange is one of the preparatory work to be done, but need to take a lot of exchange of foreign currency in cash to the bank line, even if currency exchange small advance booking, no reservation may not redeem less. But now convenient, Ctrip App access to micro-channel payment functions, eliminating the pain of queuing. ...
