How do use "Either"... Or. Choose the correct sentence.

问题描述:

How do use "Either"... Or. Choose the correct sentence.
Please provide a better answer and explain in mandarin.
What is the difference between (1) and (2)?
1)I need to attend for a interview and test Either after I had appled for the course OR
after I had taken the course of course?
2)Either I need to attend for a interview and test after I had appled for the ABC course OR
I need to attend for a interview and test after I had taken the course of ABC?

一个意思,但是第二句太罗嗦,选第一句.