How to Use "mainstay" with Example Sentences

1. Built with slave labor , the industry here became the mainstay of venezuela 's colonial economy .
2. Foreign firms own the three ferry lines that serve the cross-channel port , the town 's mainstay .
3. On the very same day it legalised gambling , which has been the mainstay of its economy ever since .
4. Remittances are the mainstay of the economy as nepalis travel to the gulf , iraq , afghanistan and malaysia for work .
5. It was clear that the massive rise in exports , the mainstay of the china growth model until 2008 , was not sustainable .