A regulatory approach based on the point in Western movies when the sheriff, having fired all available bullets, in an act of final desperation throws his gun at the bad guys.

一种监管方法，其依据是西部片里的情节，治安官打光了所有的子弹，孤注一掷地把枪朝反派扔了过去。

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The proposals eschew the traditional risk-based U.S. regulatory approach and embrace the European style of precaution, which demands ex post proof of safety even where no current evidence reveals environmental or health harms.

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