• "I am still very much hopeful that in the next week an agreement could be reached," ElBaradei told reporters, without elaborating.
  
• Moscow, with the support of the United States and other countries, has offered to enrich Iran's uranium in Russia — to ensure greater oversight — but ...

Здравствуйте, O-Sam, Вы писали:

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• "I am still very much hopeful that in the next week an agreement could be reached," ElBaradei told reporters, without elaborating.
  OS>
• Moscow, with the support of the United States and other countries, has offered to enrich Iran's uranium in Russia — to ensure greater oversight — but ...
  OS>

without elaborating — не углубляясь в подробности

to ensure greater oversight — чтобы обеспечить более высокую степень контроля