With language access posing a critical problem, beginning in 1999, we organized to win translation and interpretation in multiple levels of government and society so that immigrants can fully participate, stay healthy, and care for their children.

WHITEHOUSE: Sanctuary for Immigrants

That means they have to rely on what is known as "relay" interpretation: interpreters listen to an English-language translation of say a Latvian speech, and use the English version to interpret into other languages.

BBC: NEWS | Europe | EU grapples with translation boom