He points out that it is possible to identify specific factors as the primary causes of a particular historical event only relative to an initialset 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
Initial considers the selected set as the initialset of members.
Initial将选择的集合看作成员的初始集合。
3
Not everyone in our previous post agreed with the initialset of trends.