How long should a person maintain eye contact with his or her audience while talking?
A、20%-30% of the time
B、30%-40% of the time
C、50%-60% of the time
D、60%-70% of the time
发布时间:2024-12-08 12:59:02
A、20%-30% of the time
B、30%-40% of the time
C、50%-60% of the time
D、60%-70% of the time