mainstay of the economy造句怎么写

In Italy, and in some other European states, an inefficient large-business sector is parasitic on the vibrant small - and medium-sized enterprises, which are the mainstay of the economy.

Farming, a mainstay of the economy, is also being liberalised.

Agriculture is a mainstay of the economy.

The crackdown on Youkes has also led to a mainstay of the economy, from a highly efficient private enterprise to opaque state control.