How to Use "lifeblood" with Example Sentences

1. It has devastated the venture-capital market , the lifeblood of many young firms .
2. Advertising , the lifeblood of many broadcasters , is difficult to do globally .
3. A legally empowered citizenry is both the guarantor and lifeblood of democracy .
4. But credit is the lifeblood of the car business .
5. Intelligence , rumour , gossip and tittle-tattle is the lifeblood of many groups .