But, some observers say, robots can lower the demand for labor.

也有一些观察家表示，机器人可以降低人类对劳动力的需求。

The demand for labor depends on the demand for the product a business sells.

劳动力的需求取决于企业出售的产品需求。

Michael says reduction in demand for labor has been particularly important.

迈克尔表示，劳动力需求的减少尤为重要。

Discrimination against Chinese immigrants had begun decades earlier, when the California Gold Rush created a massive demand for labor.

对华人移民的歧视早在几十年前就开始了，当时加州淘金热创造了对劳动力的巨大需求。

During the war, industries and railways had flourished as never before;prices had risen rapidly; the demand for labor had increased;wages had mounted slowly, but steadily.

战争期间，工业和铁路空前繁荣， 物价飞速上涨；对劳动力的需求增加了； 工资增长缓慢， 但稳定。