“我们只需要办一张弃权证就行了。”魏尔伦说。
如果作者想要自动弃权,学院将会提供一份弃权证书,“他说。
“If the author requests a waiver, the dean will provide a waiver, ” he says.
加州为了加强它自己的排放标准仍然需要从EPA获得一个弃权证书。
California still needs a waiver from the EPA in order to enforce its own emissions standards.
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