how would you translate 在我找到工作之前 ? What is the function of 在 here?
[.....] 之前 = before [.....]
[我找到工作] 之前 = before [I found a job]
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在 [.....] 之前 = at before [.....]
[在 (我找到工作) 之前] = [at (the time) before (我找到工作) ]
在我找到工作之前 = At the time before I found a job