The mantra of EU and NATO expansion has been “Europe whole and free”.

欧盟和大西洋公约组织的信念是“欧洲一体化和自由化。”

youdao

The litmus test will be the us's willingness to abandon NATO expansion.

美国愿意放弃北约东扩将是试金石。

youdao

Mr Medvedev’s November proposal for a new European security treaty focuses on hard power and implies a veto on NATO expansion which is unpalatable to the West.

11月梅德韦杰夫提出的新欧洲安全条约草案着重于硬实力，并暗示了对于北约扩张的反对，而这是西方世界所不乐于接受的。

youdao

The Kremlin leader says Russian security is threatened by NATO expansion,local crises, and international terrorism.

VOA: standard.2009.03.20

NATO's expansion to the east, toward the borders of Russia, has raised Russian concerns.

VOA: special.2009.04.04

Moscow has always been strongly opposed to NATO's eastward expansion.

VOA: standard.2009.09.04

President Boris Yeltsin reluctantly went along only after it became obvious he couldn't stop NATO expansion.

CNN: AllPolitics - Big Issues Confront NATO At Madrid Summit

Russian officials, including Yeltsin, have warned that NATO expansion at this time would be a major mistake.

CNN: Clinton, Yeltsin Meet In Finland

But what is absolutely not up for debate is that NATO expansion is a very real, perhaps even very likely, possibility.

FORBES: NATO Expansion And Russia: You're Not Paranoid If They Really Are Out To Get You