In the first, male competition and intrasexual selection produce relatively short, simple songs used mainly in territorial behavior.

在第一种情况下，雄性竞争和性内选择产生相对简短的鸣声，主要用于地盘行为。

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Hillary is Hillary mainly to distinguish her from the other Clinton whose shadow she can never quite escape, though there is a trace of male chauvinism in it too.

希拉里之所以被叫作希拉里，主要还是为了区分她和另一个克林顿，虽然这有点男性沙文主义，但她只能接受这个事实。

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This is the fashion element of life that mainly creates for the male readers, the most comprehensive network of auto and digital information for life in fresh colors.

主要为男性读者打造的时尚生活元素，网络最全面的汽车以及数码资讯，为生活注入新鲜色彩。

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But for decades, airlines in America and elsewhere used carefully selected, perfectly groomed young women to persuade their mainly male customers that sitting in cramped aluminium tins for hours at a stretch was a pleasurable experience.

ECONOMIST: Flight attendants