curl --location --request POST 'https://fanyi-api.baidu.com/api/trans/vip/language' \
--data-urlencode 'q=' \
--data-urlencode 'appid=' \
--data-urlencode 'salt={{SALT}}' \
--data-urlencode 'sign={{SIGN}}'
{
"error_code": "string",
"error_msg": "string",
"data": {},
"data.src": "string"
}