Activists with pew environment Group say countries should use the measures even before the treaty takes effect.

皮尤环境集团的活动家说各国即使在该条约生效之前都应该采取这些措施。

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Activists with pew environment Group say countries should use the measures even before the treaty takes effect.

皮尤环境集团的活动家说各国即使在该条约生效之前都应该采取这些措施。

youdao