10. Notice also the revokeAllRoles() method, which is used to clear all the user's existing roles before granting new roles, as well as when the user logs out.
11. Some of us may not realize that we can clearall this browser data from our computers at any time. It’s easy to do through a browser’s Options or Preferences menu.
12. The French firm expects that the bill will clearall further legislative hurdles, including the sign-off by the normally veto-prone governor, Arnold Schwarzenegger.
13. For instance, the Clear button should clearall the fields of the panel of the currently active tabbed pane, while the Add button should modify only the data associated with that panel.
15. To be clear, people can't keep away from all the risks in this way, but it's the best choice.
需要明确的是，人们不能以这种方式远离所有的风险，但这是最好的选择。
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16. To achieve success, we should, first of all, have a clear long-term goal in our life.
为了取得成功，我们首先应该有一个明确的长期目标。
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17. It is not at all clear why the costs of serving a highly loyal customer should in principle be different from those of serving any other type of repeat customer.
为什么服务一个高度忠诚的顾客的成本原则上与服务其他类型的回头客的成本是不同的，这一点完全不清楚。
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18. The horse hadn't cost him anything; so whatever he got was allclear profit.
那匹马并没有花他什么钱，所以他赚到的都是净利润。
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19. There will probably be months of legal tussling, and it is not at allclear which side will prevail in court, nor in the battle for public opinion and legislative favor.
