你的例句根本不需要用这个句型.
Home or abroad,teacher is a respectable occupation.
唠叨一点,可以No matter at home or abroad...
No matter what/how/when,可以独立作插入语,也可以在后面跟从句,比如no matter what the danger is,i'll be with you.
no matter how dangerous it is,i'll be with you.
no matter when the danger comes,i'll be with you.