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The agreement came after new Russian President Dmitry Medvedev arrived Friday in Beijing on his first overseas trip since his inauguration earlier this month -- a further sign of improving ties between the one-time Cold War rivals.

1. Is 'one-time' equal to 'once' in this context?

2 Also, can I replace ties with relationships?

Thanks!
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Comments  
Yes to both
New2grammarThe agreement came after new Russian President Dmitry Medvedev arrived Friday in Beijing on his first overseas trip since his inauguration earlier this month -- a further sign of improving ties between the one-time Cold War rivals.

1. Is 'one-time' equal to 'once' in this context?

2 Also, can I replace ties with relationships?

Thanks!
No to both.
1. "one-time" means in the past but not now, see this: http://www.answers.com/main/ntquery?s=one-time&gwp=13 definition 1b.
2. you can say "relations" but not "relationships" in this context.
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Re once please see
http://www.answers.com/once?ff=1 def 2
optilangRe once please see
http://www.answers.com/once?ff=1 def 2

True enough. But you can't replace "one-time" with "once", at least not in the context N2G supplied in his original post.
Re relationship
I have heard Mr Bush speak incessantly about the 'special relationship' that exists between the USA and various other countries
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New2grammar
1. Is 'one-time' equal to 'once' in this context?

2 Also, can I replace ties with relationships?

1. No. It means 'former'.

2. To me, it should be 'relationship'.
Maybe I'm missing something here - but isn't the point that they were former Cold War rivals - they are no longer
optilang Maybe I'm missing something here - but isn't the point that they were former Cold War rivals - they are no longer
One-time = former
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