英文關鍵字
abroad
academic
additional
attention
audience
board
charismatic
classroom
college
conference
consultation
consulting
copyspace
earnings
economy
emotional
emotions
finance
forum
gestures
homeschooling
lecture
lecturer
male
man
media
microphone
presentation
private
representing
school
seminar
seriousness
speech
style
summit
table
talking
teacher
theoretical
theory
university
warn
warning
webinar
white