curl --location --request POST 'https://fanyi-api.baidu.com/api/trans/vip/doctrans' \
--data-urlencode 'appid=' \
--data-urlencode 'from=' \
--data-urlencode 'to=' \
--data-urlencode 'timestamp=' \
--data-urlencode 'type=' \
--data-urlencode 'sign='
{
"error_code": "string",
"error_msg": "string",
"data": "string",
"requestId": "string"
}