Therefore, team building may be necessary in order to improve the group's performance.

因此，为了改善这群人的表现，团队建设也许很有必要。

I saw your group's performance last night at the student theatre. It was good.

我昨天晚上看了你们小组在学生剧院的演出，很棒啊。

Benjamin Zander is the music director of the Boston Philharmonic, a classical music performance group he founded in 1979.

本杰明·桑德是波士顿爱乐乐团的音乐总监，该乐团是他于1979年创立的古典音乐表演团体。