Workshop: a period of discussion and practical work on a particular subject, in which a group of people share their knowledge and experience 研討會;講習班
a drama workshop
戲劇研討班
a poetry workshop
詩歌講習班
Session: a formal meeting or series of meetings of a court of law, a parliament, etc.; a period of time when such meetings are held (法庭的)開庭,開庭期;(議會等的)會議,會期
a session of the UN General Assembly
一屆聯合國大會
The court is now in session.
法庭現在正在開庭。
The committee met in closed session(= with nobody else present).
委員會舉行了秘密會議。
Expertise: expert knowledge or skill in a particular subject, activity or job 專門知識;專門技能;專長
professional/scientific/technical expertise
專業/科學/技術知識
They have considerable expertise in dealing with oil spills.
他們在解決溢油問題方面非常在行。
We have the expertise to help you run your business.
我們有幫助你經營自己業務的專門知識。
Personnel: the people who work for an organization or one of the armed forces (組織或軍隊中的)全體人員,職員
skilled/trained personnel
熟練的/訓練有素的人員
sales/technical/medical/security personnel
推銷/技術/醫務/保安人員
army/military personnel
陸軍軍事人員