The view that competitive market structure is most helpful to motivate R&D is verified by this paper by comparing different market structures without R&D rivalry.

在无专利竞赛下，通过对不同市场结构下企业R& D动力的比较，本文认为竞争性市场结构有利于激励企业的技术创新。

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The antagonism ball events are typical competitive games to combine rivalry, speediness, levity and personal glamour as an organic whole and those conflict with the Chinese traditional cul.

而同场对抗性集体球类项目是集对抗、快速、多变、个人魅力与集体合作的完美结合为一体的典型的体育竞赛项目，这与我国的传统文化发生冲突。

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The series opener was a competitive new chapter in an increasingly fierce rivalry, but there weren't any scuffles this time.

NPR: Durant, Thunder Edge Grizzlies 93-91 In Game 1

It has been suggested that there was a rivalry between the siblings, and Amy certainly possessed a competitive streak.

NEWYORKER: A Loaded Gun

Quiz any true Sounders fans about what gets their competitive juices flowing, and they will talk at length about the passions ignited by their intense rivalry with their Pacific Northwestern neighbours the Portland Timbers.

BBC: Football fever hits the Pacific Northwest