extempore
adj, adv (spoken or done) without previous thought or preparation; impromptu 无准备的; 即席的
an extempore speech 即席讲话
speak extempore, ie without notes 即席发言.
🗣️ 情景例句
What kind of business do you run?
你在经营一家什么样的公司?
John has built up his own business.He owns a hotel.