1. Offering preferential treatment to wealthy countries. 向富裕国家提供优惠待遇。
2. Japan will remove five countries from a preferential framework in light of their economic development. 鉴于五个国家的经济发展情况，日本将把它们从优惠框架中剔除。
3. The government encourages this practice, and provides many preferential policies and facilitation measures for college students. 政府鼓励这种做法，并为大学生提供了许多优惠政策和便利措施。
4. Like cats, babies appear to engage in what's called "preferential looking"—looking longer at things that are interesting or unusual than things they perceive as normal. 和猫一样，婴儿似乎也会进行所谓的“优先注视”——和他们认为平常的事物相比，他们会对有趣或不寻常的事物注视得更久。
5. Firstborn sons received preferential treatment. 长子们受到了优等待遇。
