Therefore it is imperative to study environmental trade barrier and break through the barrier.

所以，对如何认识环境贸易壁垒、怎样突破别国环境贸易壁垒的研究势在必行。

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Therefore it is imperative to study environmental trade barrier and break through the barrier.

所以，对如何认识环境贸易壁垒、怎样突破别国环境贸易壁垒的研究势在必行。

youdao