我发现其中一位考官是一位非常著名的经济学家。

I discovered that one of the examiners was a very famous ___economist.

这位经济学家建议政府降低利率以刺激增长。

The ___economist advised the government to lower interest rates to stimulate growth.

她渴望成为一名专门研究发展经济学的经济学家。

She aspires to become an ___economist specializing in development economics.