on one occasion

基本解释

The law of majority voting is itself something established by convention, and presupposes unanimity, on one occasion at least.
多数表决规则，本身就是通过约定确立的东西，并且至少有一次得到一致的同意。
Crowley said that on one occasion, reflecting foreign worry about privacy, a US diplomat was asked to leave a notebook outside the meeting.
克劳利说，有一次，因为担心隐私泄漏，一位美国外交官被要求把笔记本电脑留在会议室外。
Aside from brief greetings, and on one occasion borrowing a local woman’s umbrella, they had little contact with the locals.
房子里的人除了和邻居简单的打招呼还有一次偶然的借了一把伞之外，就再无其他交流。

"It has become increasingly clear that Tony Blair misled parliament on more than one occasion and I think that MPs were invited to make their own judgment on the merits of the case for war and they were entitled to do so on the truth and it looks very much as though that the truth was withheld from parliament and many MPs may well have made a different decision if they had had the full unvarnished truth,".