How to Use "staple" with Example Sentences

1. The rains failed last year and the staple diet of millet is running out .
2. Rice , the staple of many asian diets , has tripled in price this year .
3. For decades , praising the middle class has been a staple of american politics .
4. To become a staple in the world 's energy diet ethanol needs to be commoditised , with global standards of purity and a vibrant futures market .
5. More recently , during the war in afghanistan , there have been widespread reports of everything from pop-tarts to staple goods being resold at local markets .