这场音乐会的门票需求出乎意料地低。

Ticket ___demand for the concert was surprisingly low.

为了保护大象，我们必须减少对象牙制品的需求。

To protect elephants, we must reduce the ___demand for ivory products.

对有机食品的高需求推高了价格。

The high ___demand for organic food has driven up prices.