患者则没有多少理由要求便宜的药物。

Patients have little reason to demand cheaper drugs.

youdao

要想找个便宜的地方住，你最好降低要求。

You'd better lower your standards if you want to find somewhere cheap to live.

《牛津词典》

有效的资源供给要求，当需求上升时，消费者能够切换到便宜的或者不太拥挤的替代资源上。

Efficient provisioning of resources requires that consumers be able to switch to cheaper or less-crowded alternatives when the need arises.

youdao