Apple seldom details its plans in advance, which is why the pre-announcement of the contents of the WWDC keynote were such a surprise.
苹果极少提前透漏计划，这就是为什么提前公布全球开发者大会的要点会这么令人惊讶。
2
It is found that performance combination and information manipulation have left a marked impact on the timely disclosure of interim reports and pre-announcement.
本文证实公司业绩组合和信息操作对中报披露和预约披露的及时性有着显著的影响。
3
Pre-recession, barely a month would pass without the announcement that some business, or businessman, had bequeathed tens of millions of dollars to a seat of management learning.