in that 作為連詞的用法
in that是一種固定搭配，其意為“因為”，與for the reason that, because 同義，可用于引導原因狀語從句。如：
I’m in a slightly awkward position in that he’s not arriving until the 10th.
我的處境有點尷尬，因為他要到10號才來。
Most of them are not in reality engineers, in that the work they do is mostly clerical.
他們中的大多數(shù)人實際上都不是工程師，因為他們做的主要是辦公室工作。
I am an optimist in that I believe that human beings do not always perversely try to make life worse for themselves.
in that與in which的意思和用法辨析
in that，意為“既然、因為”，引導原因狀語從句，用法相當于because
例如：Criticism and self-criticism is necessary in that it helps us correct our mistakes.
批評與自我批評是必要的，因為它可以幫助我們糾正錯誤。
in which，為介詞加關系代詞，引導定語從句。
例如：A final consideration is the environment in which we live and work.
最后一項要考慮的是人們的生活與工作環(huán)境。