This puts a heavy demand on the therapist as a person.

这就对治疗师作为一个人提出了很高的要求。

Everyone expects shortages due to heavy demand from day one.

每个人都希望短缺，由于从一开始的大量需求。

Besides, the price of this product tends to go up. There is a heavy demand for it.

另外，这一产品的价格日趋上升，需求旺盛。

In view of the heavy demand for this line, we advice you to send orders without delay.

有鉴于对此产品的大量需求，我建议您立即寄送订单。

In view of the heavy demand for this line, we advise you to send orders without delay.

思索到少量的需求，我们建议你尽快下单。