| Irreplaceability can be defined in simple terms as the availability of any other worker to replace the incumbent when the latter is sick. |
| The three artists Liu Jianhua, Ah Xian and Geng Xue all choose porcelain as the material to make their works because of porcelain's irreplaceability in presenting body images. |
| A multicriteria assessment of the irreplaceability and vulnerability of sites in the Greater Yellowstone Ecosystem. |
| The habitat gap analysis is one of the most important keys in assessing the irreplaceability of specific biomes and provides the first step. |
| Some key biodiversity areas within the hotspot will certainly require more in-depth attention due to their high irreplaceability and vulnerability. |
| If we have any hope of victory at all, it will have to come from our believing in the utter uniqueness and irreplaceability of our own and others' souls and from the warmth we gain by joining souls together. |
