它们的缺位一直是敲定京都议定书后续协议的绊脚石。 京都议定书将在2012年到期。
Their lack of participation has been one stumbling block to attempts to hammer out a successor agreement to the Kyoto Protocol, which expires in 2012.
它们的缺位一直是敲定京都议定书后续协议的绊脚石。 京都议定书将在2012年到期。
Their lack of participation has been one stumbling block to attempts to hammer out a successor agreement to the Kyoto Protocol, which expires in 2012.
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