sælge sand i Sahara

== Danish == === Etymology === Literally: To sell sand in Sahara. === Verb === sælge sand i Sahara (imperative sælg sand i Sahara, infinitive at sælge sand i Sahara, present tense sælger sand i Sahara, past tense solgte sand i Sahara, perfect tense har solgt sand i Sahara) (idiomatic) sell ice to Eskimos. carry coals to Newcastle. bring owls to Athens === References === “sælge sand i Sahara” in Den Danske Ordbog