The virtual property has three nature of the property which are utility, scarcity and availability. The virtual property is in legal owned by players.

它具有财产的三个属性：效用性、稀缺性、可支配性的，是属于玩家所有的一种具有价值的财产。

youdao

With the help of mathematical model, the paper employs the concept of external effect in economics and its relevant theory to explore the effects of foreign players on league utility.

引入经济学中外部效应的概念和理论，并借助于数学模型分析了外员使用对联赛效用的影响。

youdao

When Jeff Bezos launched the service in 2002, there were other more-established players in what was then called utility computing.

FORBES: From LEGO Fans, Lessons On Beating Entrenched Rivals

"Utility computing is one of those disruptive technologies that larger players won't be interested in until it gets big, " says Carr.

FORBES: Magazine Article

In 2003, IBM co-founded the US-based GridWise Alliance that advocates for grid modernization, and in 2007, IBM formed the Global Intelligent Utility Network Coalition (GIUNC), a coalition of players in the energy and utilities market, which is helping accelerate the adoption and use of smart grid technologies and bringing digital intelligence to current systems.

ENGADGET: IBM announces Smarter Energy Research Institute, aims to improve energy grids (video)