Chū / guó / liú / xué / qián / tā / tí / qián / gòu / huì / bìng / kāi / tōng / le / jìng / wài / zhī / fù / fú / wù出国留学前,他提前购汇并开通了境外支付服务。Before studying abroad, he purchased foreign exchange in advance and activated overseas payment services.