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今日长难句
Pearson has pieced together the work of hundreds of researchers around the world to produce a unique millennium technology calendar that gives the latest dates when we can expect hundreds of key breakthroughs and discoveries to take place.
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结构分析
主干：主谓宾
修饰：when 引导定语从句 修饰 date 具体解释到了那天会发生什么
修饰：that 引导定语从句 修饰 calendar
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参考译文
Pearson has pieced together the workof hundreds of researchers around the world to produce a unique millennium technology calendarthat gives the latest dateswhen we can expect hundreds of key breakthroughs and discoveries to take place.
Pearson 业已汇集，全球数百位研究者的成果
希望编制一个独特的千年技术日历
该日历能够给出最近日期；届时，我们可以⻅证，数百项重大突破与发现的诞生。