模式二：优先表达式 (Prior Expression)
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prior expression
之前的表达式
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Toby Mendel of Canada stressed the importance of guaranteeing in the constitution the right to freedom of opinion and expression for all and of prohibiting prior censorship of media without a court decision.
UNESCO: Communication and Information
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