尽管如此，这项研究提供了“最令人信服的观测试验”，群星--重量级的，轻量级的--从一种星系到另一种，引人注目，各式各样；埃利斯说。

Nonetheless, the study provides “the most convincing observational test” that the mix of stars -- heavyweights and lightweights -- varies dramatically from one type of galaxy to another, says Ellis.

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一个专门研究经济危机的单独会议小组，成员包括Mr Blinder、Mr Rogoff以及其它重量级的经济学家，他们一致表示忧虑。

A separate conference panel devoted to the crisis, which included Mr Blinder and Mr Rogoff as well as other heavyweight economists, was uniformly gloomy.

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比如，至少就我所知，第一份关于九月大大低于平均水准表现的重量级学院派研究报告早在二十多年前就已经问世。

For example, it was more than 20 years ago that (as far as I can tell) the first academic study appeared in which September's significantly-below-average return was noted.

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