| 1 | EEG has been a mainstay of psychiatry for decades. | |
| 2 | Both are mainstays of the Wenzhou economy. | |
| 3 | Because of concentration, it becomes mainstay of industry development. | |
| 4 | The five engineers of real learning are the mainstays of the small factory. | |
| 5 | SLRMcLaren is also the mainstay on the world's most expensive car list. |