Try to make your public speech interactive by asking questions or launching an on spot quiz.

要尽量使你的演讲具有互动性，通过提问题或者进行现场互动。

Radio companies needed to diversify their revenue model away from a reliance on spot advertising, he said.

“广播公司需要多样化的收入模式，而不应该像现在这样依赖现时广告，”他说。

Li went and the guide policeman rode on motorcycle to find a tractor and we just sat on spot to take a rest.

带路警察骑摩托和小李去找拖拉机，我们随地休息。

The agreement this week to move to quarterly contracts based on spot prices marks the end of the annual benchmark system that has lasted 40 years.

本周达成的协议转向以现货价为基础的季度合约，这标志着已持续40年的年度基准合 约体系寿终正寝。

When the user needs some data presented in a specific format, taking the raw data and processing it on spot may delay the response to the point that the user gives up waiting on it.

当用户需要以特定格式来展现数据时，获取原始数据随即进行处理会延长响应时间，以至于用户放弃等待结果。