The explicit language of the Yalta Treaty gave the Soviet Union a right to the Kurils, and the Soviet Union upheld its own obligations under that treaty.

雅尔塔协议以明确的语言将千岛群岛的权利给予苏联，苏联也信守了该条约对其要求的义务。

youdao

Mandarin will be the new official language of the European Union.

普通话会变成欧盟新的官方语言。

youdao

Russian, which was the official language in the Soviet Union, is still used by many people, especially in eastern Ukraine.

俄语作为前苏联的官方语言，仍然被很多人使用，尤其在东部。

youdao

One of the largest barriers to labour mobility in the European Union is language.

BBC: Europe's push for mobile workers

"Catalan could become an official language of the European Union, " he says.

BBC: Magazine

Also, some arguments against the union (such as language differences) disappear.

ECONOMIST: Responsible NATO