array(6) {
  ["q"]=>
  string(50) "United States#California#Monrovia#Amazon.com, Inc."
  ["appid"]=>
  string(17) "20190908000332922"
  ["salt"]=>
  float(1770554363189)
  ["from"]=>
  string(2) "en"
  ["to"]=>
  string(2) "zh"
  ["sign"]=>
  string(32) "bcb6977e896bdaa8c0f6d38546b74eba"
}
string(52) "{"error_code":"54004","error_msg":"Please recharge"}"