怎样问对方是否明白自己说的内容?

怎样问对方是否明白自己说的内容?

2017-09-27    01'00''

主播: Simon、!

15424 14

介绍:
Are you with me? Are you following me? Have I lost you?
上一期: I am having my hands full
下一期: Keep me posted