prior announcement

基本解释

The officer on-duty has the right to make special arrangement based on the weather without prior announcement.
农墟当值人员有权就天气情况而作出适当安排，恕不另行通知。
We reserve the right to modify, to amend or to delete single elements or the whole offer or to stop their publication without prior announcement.
亚世能源保留修改、更正、删除部分或全部内容、终止出版的权利，无需任何事先声明。
Given both AIG’s and Prudential’s deep experience in Asia, approval would seem likely to have been sought and granted prior to the announcement of the deal.
保诚和友邦有着丰富的亚洲市场经验，在这样的背景下，他们理应在宣布交易前就能达到批文。

Hastings had posted material nonpublic information on his personal Facebook page without prior announcement that it would be a vehicle for communicating such information.
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In accordance with its prior announcement, the company is continuing discussions with parties with respect to the potential sale of its digital imaging patent portfolio.
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In the week prior to the announcement of the leak, someone tried to hack its encrypted chat channel.
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