But for now, he said, the issue is a moot point, because the definition of a planet was necessary mostly to sort out objects that are much smaller than anything we've seen outside our solar system.

但现在，他说这种争论其实是没有实际意义的。因为最需要用行星的定义来进行甄别的，是那些我们根本没还没发现的，小得多的，太阳系外的星体。

youdao

In the case of defining a planet, IAU made the call, and "now we have to use this definition and try to play the game."

在定义行星这点上，IAU给了行星一个说法，“现在我们就要使用这个定义来完这场游戏了”。

youdao

The globalized marketing of unhealthy products respects no borders. By definition, a changing climate affects the entire planet.

不健康产品的全球化营销不受边界限制。根据定义，正在变化的气候也影响整个星球。

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Astronomers will vote next week on whether to change the definition of a planet.

NPR: A Down-to-Earth View of the Planet Debate

But first, we haven't heard the last about the ignominious vote last month to strip Pluto of its place in our solar system - kicked out of the planetary lineup by a group of astronomers because it doesn't fit the new definition of what a planet is.

NPR: Astronomers Prepare to Fight Pluto Demotion

Every major corporation on the face of the planet has a leadership development program, but I challenge you to find a definition of leadership anywhere in the curriculum.

FORBES: A Leadership Job Description