There are heavy demands on people’s time these days.

【demand】如今，人们的时间都很紧。

Price for Bitcoin future's contracts rose in early trading although the exchange website experiences technical problems attributed to heavy use demand.

虽然由于访问用户过多而导致交易所网站出现技术问题，但比特币期货交易合同价格在早盘中上涨。

Professor ：Athletics place a heavy demand on your time, don ’ t they?

教授：田径运动对你的时间要求很高，不是吗？

Those are very cheap but, if you are interested you'll need to book soon, because there's always a heavy demand for them.

非常便宜，但是如果你想要的话就得早点预定了，因为需求量总是很大。

The Coquimbo region sits on the Pacific coast at the foot of the Andes Mountains. Heavy demand means many hotel rooms are full ahead of the eclipse.

科金波地区位于安第斯山脉脚下的太平洋海岸。巨大的需求意味着许多酒店房间在日食之前就已经抢购一空。