英语语法分析，请教

there is not one here 主谓部分
who has not in the course of the day had occasion to set in motion a complex train of reasoning, of the very same kind, though differing in degree定语从句，修饰one
其中有难词：
1.set sth in motion 开始做某事且不停地做
to start a process or series of events that will continue for some time
如 The Church voted to set in motion the process allowing women to be priests.
2. a complex train of
a train of sth 一系列
a series of events or actions that are related
如： The decision set off a train of events which led to his resignation.
本句中复杂结构：
1. of the very same kind
定语， 修饰reasoning
2.though differing in degree
分词短语，修饰kind
翻译：可能没有这种人，他在一天内有时间对同样一类的（事物）进行复杂的理性思考，尽管这类的思考可能程度不同。

as that which a scientific man goes through in tracing the causes of natural phenomena.
as介词，（如同，像），that which a scientific man goes through in tracing the causes of natural phenomena介词宾语

which a scientific man