Some of our players may recognize "skill challenges" as being similar to a system we spoke about a while back called "profession challenges."

一些玩家可能还记得我们之前提到过的“专业挑战”，这两个系统是一体的。

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There are 200 skill challenges in the game, and they range from defeating tough opponents, to answering riddles, to drinking a particularly potent drink.

游戏中有总共200个技能挑战，内容从击败凶猛的敌人，到解答谜题，喝下特定的饮料等等。

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Big Data also brings new skill-set challenges.

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This year, the conference is focusing on two things: providing challenges and skill building.

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But step by step, the system teaches you and gives you more challenges while your skill level rises.

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