Ryabkov boss, Foreign Minister Sergei Lavrov, last week described U.S. moves to allay Russian concerns about the shield as "symbolic."

外长拉夫罗夫上周描述称，美国消除俄罗斯担忧的举动是“象征性的。”

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Russia's chief negotiator, Sergei Ryabkov, spoke of being "still on the threshold" in remarks to the Interfax news agency.

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Itar-Tass news agency quoted Deputy Foreign Minister Sergei Ryabkov as saying there was also a secret section to the list with more names, as the US list had.

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