加尔文和马丁以葡萄干行业为例，观察了过去不断上升的就业成本是如何促使人们采用节省劳动力的农业技术的。
Calvin and Martin have observed how rising employment costs led to the adoption of labour-saving farm technology in the past, citing the raisin industry as an example.
这使劳动力市场更加平稳，最终为当地人创造了更多的就业机会。
This "smooths" the labor market and ultimately creates more jobs for locals.
铁路建设方面的就业机会也吸引了许多习惯于季节性和临时性工作的农村劳动力。
The availability of jobs in railway construction attracted many rural laborers accustomed to seasonal and temporary employment.
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