advance to subcontractor是什么意思，词典释义与在线翻译：
advance to subcontractor的用法和样例：
- Neil went in advance to say that we were coming.
- Soldiers quietly crawl to advance to enemy.
- The manufacture of belts and buckles is put out to subcontractor.
- He made an advance to her on her diamond ring.
- If this hold, they'll both advance to a May runoff.