Currently for those areas in the mainland without international direct dial service (ISD), users can first call the C &W special number, which will relay the call to the mainland.是什么意思_Currently for those areas in the mainland without international direct dial service (ISD), users can first call the C &W special number, which will relay the call to the mainland.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句