Shortage is that resources are limited and there are not adequate to the needs of human beings. In the same way the human commodity production: there are a number of products and services are not adequate to the needs of human beings.
The shortage is that resources are limited. And there are not enough to meet human needs. In the same way that humans produce various commodities include goods and services which is not enough to meet human needs.
Scarcity is that resources are limited. And there are not enough to satisfy the needs of human beings. In the same way that humans produce various commodities, including goods and services were not เพียงพอกับ human needs.