404. That’s an error.

The requested URL /translate_c?depth=1&rurl=translate.google.ru&sl=en&sp=nmt4&tl=ru&u=http://www.dictionary.com/browse/referential-transparency&xid=17259,15700021,15700186,15700190,15700259,15700271&usg=ALkJrhg9IgeNwQeYLa3v-VJ1fSd6b0adLQ was not found on this server. That’s all we know.