1·He points out that it is possible to identify specific factors as the primary causes of a particular historical event only relative to an initial set of background conditions.
他指出，只有相对于初始的背景条件，才有可能将特定因素确定为特定历史事件的主要原因。
2·This is an historical event.
这是一次历史性的事件。
3·Now, this is a historical event.
这是一个历史性的事件。
4·That was an important historical event.
那是一个重大的历史事件。
5·Thee historical event changed him completely.
这一历史事件完全改变了他。
6·So now we come to the second historical event.
现在我们来谈谈关于mile的第二个事件。
7·A historical event might be discussed under the heads.
历史事件则可依如下讨论。
8·It is a major, and unexpected, literary and historical event.
这是一个重大的和意外的，文学和历史事件。
9·If you could change a major historical event, what would it be?
如果你能改变历史，你会做什么呢？
10·These bloody trials have been the historical event what we call witch-hunt.
这些血腥的审判构成了被我们称之为猎巫的历史事件。