But the commander left behind some of the poorest people of the land to work the vineyards and fields.

但护卫长留下些民中最穷的，使他们修理葡萄园，耕种田地。

Farmers are relying on increasingly sophisticated equipment to work the land and boost crop yields, placing a premium on agricultural technicians and engineers.

农民在耕作和提高农作物产量方面越来越依赖复杂的机械设备，由此造成了农业技术人员和工程师的短缺。