是的。毕业后我曾经参加过英语培训和计算机培训。
A: Yes, I have studied in an English training program and a computer training program since I graduated from university.
我曾经参加过许多会议，用户们说了几个小时，没有谁记录。
I've sat in many meetings where the users went on for hours without anybody writing anything down.
我曾经参加过一个会议，大家在会上讨论如何对付一个失控的工程项目。
I was once in a meeting at work where we were trying to manage a runaway engineering project.
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