舉行會議/研討會/大會/座談會/學術報告會 hold a meeting/seminar/conference/forum/symposium
贊助人/主辦人/承辦人/協辦人 patron/sponsor/organizer/co-organizer
舉行談判 enter into negotiation
交涉 make representations with sb. on sth./deal with sb.
事物性會談 talks at working level
對口會談 counterpart talks
議程專案 items on the agenda