They need to learn how to be dominant and submissive because each monkey might have to play either role in the future.

他们需要学习如何主导和服从，因为每只猴子在未来都可能扮演其中任意一个角色。

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Nowadays, with the rapid development of the information industry, cell phones play a dominant role in people's life.

如今，随着信息产业的飞速发展，手机在人们的生活中起着举足轻重的作用。

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Phragmites australis and Phalaris arundinacea populations are dominant populations in the wetland, which play important role in the Mount Beigu wetland ecosystem.

芦苇和虉草种群是北固山湿地中的优势种群，在北固山湿地生态系统中发挥着重要的作用。

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Zhang Liangui, a North Korea expert at the Communist Party's Central Party School, tells Global Times that China "will forever lose the chance to play a dominant role" in resolving the crisis if it fails to deter Pyongyang from going ahead with the test.

BBC: China media: Pyongyang warned

Arguably one of the great weaknesses of the British and European economies is that capital-strapped banks play too dominant a role in the provision of vital finance to businesses (and households).

BBC: Cable rehabilitates investment banking

He's positioning Adobe to once again play a dominant role in the next evolution in online media.

FORBES: Ubiquitous Upside