"Our sense has been that while Mars is a lousy environment for supporting life today, long ago it might have more closely resembled Earth," said Andrew H. Knoll, also of Harvard and on the study team.

研究小组的另一位来自哈佛大学的安德鲁•H•诺尔说：“过去我们一直觉得，虽然火星现在的生存环境很恶劣，但在很久以前，火星的生存环境可能与地球很相似。

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Not long ago, Castresana contacted me again, and for the first time in a while he sounded enthused.

不久前，卡斯特雷萨纳再度联系了我，一段时间以来他的声音头回透着热情。

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When Thea and her husband moved to Los Angeles a few years ago, she had no friends close by and was alone frequently while her husband worked long hours.

几年前西娅和丈夫搬迁到洛杉矶时，她周围没有朋友，在丈夫整天忙于工作时，她经常感觉非常孤单。

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Both have a history in law enforcement: Johnson worked briefly in the field long ago, while Walt is a legendary lawman among crime fiction readers.

CNN: 'Longmire' gallops from page to screen

Newcastle interim boss Kinnear again left Owen - not long ago a hugely prolific goalscorer for England - on the bench, while Wigan were evidently handicapped by the absence of first-choice strikers Emile Heskey and Amr Zaki.

BBC: Newcastle 2-2 Wigan

It's an issue that has been debated by academics for a while, though many wish Mr Osborne or his predecessor had sorted it out a long time ago, when the move didn't look quite so convenient.

BBC: Why the Bank held off spending