在对所谓第三世界的研究中,也出现了一些问题，而“第三世界“这个叫法本身也充满争议。

There's also the question that arises in the study of the so-called third world, which is obviously in itself a controversial term.

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很快，新的研究重点就凸显出观光客本身就是第三世界等各类社会的成员这一事实(Graburn 1983)。

Soon after, a new research emphasis recognised that the tourists themselves are members of varied types of societies including members of the Third World (Graburn 1983).

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然而在第三世界的农业研究领域却存在着至少两个尚未解决的主要问题。

But for those concerned with the Third World, at least two major questions about agricultural research have not been answered.

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