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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。《柯林斯英汉双解大词典》

6·He had promised that the rich and privileged would no longer get preferential treatment.

他已承诺富人和特权阶层将不会再得到优待。《柯林斯英汉双解大词典》

7·It also mandated that utilities purchase wind energy at a preferential price—thus guaranteeing investors a customer base.

它还要求公用事业公司以优惠价格购买风能，从而保证投资者有一个客户群。

8·The most significant neuropathological change is a preferential loss of medium spiny neurons in the neostriatum.

最显著的神经病理改变是新纹状体中度多刺的神经元的优先丢失。

9·Each division elects one member using compulsory preferential voting.

每个部门采用强制偏好投票来选举一个成员。

10·There are also preferential services.”

临了，撒娇的说：“安杰，我已经看好一套水晶之恋婚纱照，很不错，还有很多优惠服务呢。”

(1)preferential price优惠价，照顾价格

(1)preferential treatment优待；特惠待遇

(1)preferential policy优惠政策；倾斜政策

(1)preferential trade特惠贸易

(1)preferential orientation优先定位；择优定向；最佳取向

(1)preferential adsorption选择性吸附