求翻译：税收还可以通过对某些部门和行业实行税收优惠或实行差别税率，配合产业政策扶持部门和行业的发展，扩大这些部门和行业的劳动需求，影响劳动需求结构。对商品课税时，需求弹性小、供给弹性相对较大的商品的税负往往向前转嫁给消费者，因而对企业的劳动力需求影响不大。是什么意思？

Taxes can also be imposed on certain sectors and industries through tax incentives or introducing differential tax rates, combined with industrial policies to support the development of sectors and industries, expanding the labor needs of these sectors and industries, affecting labour demand structure. When the commodity tax, small, relatively large commodity supply elasticity of demand elasticity of tax burden is often passed on to consumers, and demand for labour has little effect on the enterprise.