acoustic
amplifier
audience
audio
broadcasting
business
center
clenched
coach
coaching
communication
conference
confidence
develop
developing
device
entertainment
equipment
event
fist
front
information
instrument
lecture
listening
male
manager
meeting
mic
microphone
negotiation
object
oratory
performance
practical
presentation
radio
seminar
skills
sound
speak
speaker
speech
studio
support
teaching
voice
volume
woofer
working
定額
Male speaker clenched his fists front microphone. Business coach is working on developing practical skills. Audience develops confidence in speaker. Center for oratory and negotiationの素材 [FY310143721893]
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