on-demand是现场直播的意思?解释下demand是什么??

demand
[di5mB:nd]
n.
要求, 需求(量), 需要
v.
要求, 需要, 要求知道, 查询

demand

Demand is a very strong word, and it tells us when somebody or something is needed.
For example: The terrorist demand was not met and great consequences were to follow.
要求，需要

没有吧？demand是要求、索取的意思，所以on-demand就是一经要求，承索
比如on-demand service,一经要求立即服务

同意楼上