Powerbroker
n. 能左右当权者的人；权力经纪人\\n
🗣️ 情景例句
I'm a senior here, so let me know if I can help you with anything.
我是大四的老生，有什么能帮忙的尽管说一声。
If you trust before you try, you may repent before you die.
不试就相信，死前要悔恨。
Not bad.
还不错。