他代表Jack发言/参加会议 英语怎么说?1.他代表Jack发言.2.他代表Jack参加会议 英语怎么说?

问题描述:

他代表Jack发言/参加会议 英语怎么说?
1.他代表Jack发言.
2.他代表Jack参加会议 英语怎么说?

1. He spoke on behalf of Jack.
He spoke in the name of Jack.
2. He attended the meeting entrusted by Jack.
He attended the meeting on Jack's behalf.

He spoke on behalf of Jack.
He attended the meeting on behalf of Jack.