But the powerful British American Tobacco company, BAT, has challenged the law in court.

但是强大的英美烟草公司，已经在法庭上对法律表示质疑。

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Japan Tobacco, which ranks at No. 312 on Forbes list of the world's 2, 000 largest public companies, is already the third-largest tobacco company, behind Philip Morris and British American Tobacco (BAT).

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