go-between

例句：

1. 1. 中间人；中介；2. 在两者之间的；3.
   在两个事物之间
2. 4.
   在两个物体之间
3. 1. The go-between negotiated the terms of the deal between the two companies.
   这个中间人协调了两家公司之间的交易条款。
4. 2. The go-between helped to smooth the negotiations between the two sides.
   这个中间人帮助调解了双方的谈判。
5. 3. The go-between was responsible for ensuring that the meeting proceeded smoothly.
   这个中间人负责确保会议顺利进行。