以合法形式掩盖非法目的的。

Those that performed under the guise of legitimate acts conceal illegitimate purposes.

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广告公司从合法形式之一。

Advertising from legitimate companies is one form.

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但仔细研读就能发现到目前为止它都没能迫使日本或其他国家签署，其合法形式也有待确定。

But careful reading makes it clear that neither Japan nor anyone else is currently obliged to sign up for it, and that its legal form remains to be determined.

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