经验等级就是衡量一个人或事物的标准。例如：百度经验、百度知道的等级，游戏的等级、在不同的比赛中的等级等。
部落经验等级！
个性化：基于你的经验等级、角色和兴趣，你可以个性化你和过程的界面，从而关注对你有意义的东西。
Personalization: Based on your experience level, role, and interest, you can personalize your interface towards the process to focus on what matters to you.
如我的经验所表明，这些女人们所居的下层社会结构复杂，等级森严，解救她们并不只是打开一扇门这样简单。
As my experience showed, the underworld these women inhabit is complex and layered, and rescuing them involves more than just opening a door.
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