preferential trade agreement

例句：

1. 1.The company's policy of preferential treatment for its employees is well-received by the public.
   该公司对员工实行优惠政策的政策受到公众的欢迎。
2. 2.The government has introduced a preferential tax system to encourage investment in renewable energy.
   政府推出了一项优惠税收制度，以鼓励投资可再生能源。
3. 3.Many businesses are looking to adopt a preferential pricing strategy to attract more customers.
   许多企业正寻求采用优惠定价策略来吸引更多客户。