然而人类之间的竞争，人与人，团体与团体，依然在进行着，而且和以前一样激烈。
Competition between ourselves, person against person, community against community, still persists, however, and it is as fierce as it ever was.
由此可见，主要的竞争在两大温和的势力之间进行，它们在教派和地域上都各有侧重。
So the main race is between two moderate lists, each with a sectarian and geographic tilt.
计算机软件升级很容易，用户可以在相互竞争的软件平台之间进行选择。
Computer software is easily upgradable and users have a choice between competing software platforms.
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