A meeting or conference for discussion of a particular topic and during which participants make presentations.

讨论会；座谈会；专题讨论会。

A collection of essays in which various writers express their views on some given topic.

(作家对于某项问题之)论文集；论丛。

A drinking together, or banquet at which there are also music and intellectual discussion among the ancient Greeks.

(古希腊的)宴会；