Opportunism consists of sacrificing fundamental interests in order to gain temporary, partial benefits.

机会主义就是牺牲根本的利益,贪图暂时的 、 局部的利益.

《简明英汉词典》

This decision represents the fundamental interests of the people.

这个决定反映了广大人民的根本利益.

《现代汉英综合大词典》

Third, further realizes, maintains, develops the good most general populace's fundamental interests.

第三, 进一步实现好 、 维护好 、 发展好最广大人民的根本利益.

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I think this serves the fundamental interests of both China and Japan.

这是符合中日两国人民根本利益的.

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Developing Sino - US economic and trade relations serves the fundamental interests of both peoples.

发展中美经贸关系符合两国人民的根本利益.

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