a)to happen or exist before something else 以前发生过,以前有过
In some ways this program improves on what has gone before.
这个程序在有些方面比以前有了改进。
b)go before somebody/something if something goes before a judge, group of people in authority etc, they consider it before making a decision 提交给某人/某处讨论[裁决]
The case will go before the court.
这个案子将在法庭审理。
The proposal is likely to go before the committee.