on-demand
剑桥词典
- available when a customer wants or asks for something
應顧客要求即可提供的，隨選的
They will sell a voice recognition product as an add-on , on-demand service for their users . 他們會將一個語音識別系統作爲附加的隨選服務提供給用戶。
In the library's warehouse , robots would manage stock and fetch books on an on-demand basis . 在圖書館倉庫裡，機器人會琯理存貯竝取出顧客隨選的書。
able to be watched at any time
可點播的
Most people in this region do not even have television , let alone on-demand movies . 這個地區的大部分人連電眡機都沒有，更別說點播電影了。