Speak to the audience... NOT to the visual AIDS, such as flip charts or overheads.

面对观众讲话，而不是对着你的教具，如活动挂图或者投影。

youdao

Speak to the audience... NOT to the visual AIDS, such as flip charts or overheads.

面对观众讲话，而不是对着你的教具，如活动挂图或者投影。

youdao