I can't possibly answer a question of that detailed, Mr Chairman, without prior notice.

没得到事先通知，我无法回答如此详细的问题，主席先生。

Zero-hours contracts allow firms to employ workers for as few or as many hours as they need, with no prior notice.

零时工合同政策允许在没有事先通知的情况下雇佣工人工作，工作时间根据公司需求可长可短。

The society must give customers prior notice before changing the cost.

【prior】调整价格之前协会必须预先告知消费者。