Using coordination:I think I'll never get rich. I get job satisf

Using coordination:
I think I'll never get rich. I get job satisfaction.
【正确答案】：I think I'll never get rich, but I get job satisfaction.
【题目解析】：But表示“但是，然而”，引出并列句。But是连词，连接一个句子，所以but总是位于所引出的分句之首。