in...matter 引导方式状语
in that是一种固定搭配，其意为“因为”，与for the reason that, becau 同义，可用于引导原因状语从句。如：
I’m in a slightly awkward position in that he’s not arriving until the 10th. 我的处境有点尴尬，因为他要到10号才来。
Most of them are not in reality engineers, in that the work they do is mostly clerical. 他们中的大多数人实际上都不是工程师，因为他们搞的主要就是办公室工作。
I am an optimist in that I believe that human beings do not always perverly try to make life wor for themlves. 我是乐天派的人，因为我认为人类并非总是违反常情地力图使自己的生活变差。
in that就是一种紧固配搭，其意为“因为”，与for the reason that, becau 同义，可以用作鼓励原因状语从句。例如：
I’m in a slightly awkward position in that he’s not arriving until the 10th.
我的处境有点苦恼，因为他必须至10号才去。
Most of them are not in reality engineers, in that the work they do is mostly clerical.
他们中的大多数人实际上都不是工程师，因为他们搞的主要就是办公室工作。
I am an optimist in that I believe that human beings do not always perverly try to make life wor for themlves.
比如：Criticism and lf-criticism is necessary in that it helps us correct our mistakes.
批评与自我批评是必要的，因为它可以帮助我们纠正错误。
in which，为介词提关系代词，鼓励定语从句。
例如：A final consideration is the environment in which we live and work.
最后一项必须考量的就是人们的生活与工作环境。
