Prices fluctuate, in response to harvests, natural disasters and political instability; and when they rise, it takes some time before new sources of supply become available.

价格会随着收成、自然灾害和政治不稳定而波动；当价格上涨时，需要一段时间才能找到新的供应来源。

youdao

In any systems, it is quite natural to expect some response within a specific time interval.

在任何系统，这是很自然的期望某种回应在一个具体的时间间隔。

youdao

Natural vibration and dynamic response on time dependent structure are analyzed, the equations of natural vibration and dynamic response are set up.

研究了时变结构的自振特性和动力反应，建立了随机时变结构的自振和动力反应方程。

youdao

But at the time my response felt perfectly natural.

FORBES: A Simple Communication Mistake to Avoid

Simmons says it's already clear that people will spend more time with a robot that has this kind of natural response.

NPR: Robot Receptionist Dishes Directions and Attitude