prior approval

基本解释

Relcom enabled its users to spread and develop ideas, immune from oversight and the need for prior approval. Key to this ability was the very structure of the Internet.
列尔科姆网时使得它的的用户可以传播和阐明思想，使其用户免于监视和事先的审核，互联网的这一构造正是这种能力的关键所在。
Tony Blair and some members of Congress thought it was time to send in ground troops, while the House of Representatives voted to deny the use of troops without prior approval of Congress.
托尼·布莱尔和一些国会议员认为是时候派遣地面部队了，可是众议院却投票否决没有国会事先许可就派遣地面部队的提议。
Now they had a governor who wanted to give APL prior approval of the people who would decide whether or not the company got to raise its rates even higher.
现在他们选出的这个州长，打算在没有得到民众的许可之前，允许阿肯色电力与照明公司把电费进一步提高，而事实上只有民众才有权做出决定。

Such surveillance is conducted only on criminal suspects with prior approval of a court.
ECONOMIST: Letters
You can prevent a lot of billing problems by getting prior approval for treatments from your insurance company.
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