苹果在上市前被分了等级。

The apples were graded up before being sent to market.

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这些苹果按大小分等级。

These apples are graded by size.

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但主要的问题是，韩国游戏等级委员会一直在限制新的手机游戏发布到iPhone以及安卓平台上，而后者正是与苹果竞争的三星电子所采用的手机平台。

But the chief problem is the GRB's trouble keeping up with the sheer number of new mobile games being released on the iPhone and the rival Android platform, which Samsung USES.

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