No, you may take as long as you need to complete the CFA program; your exam results never expire; and we don't limit the number of times you can sit for each exam level.
不需要。你可以在任何你完成CFA项目所需要的时间内报考(各等级)，你(已通过等级)的考试成绩都不会失效，而且我们不限定你每个等级的报考次数。
You limit yourself when you do not accept full responsibility for the results you get in your life.
当你不肯为自己生活的结果承担全部责任时，你就限制了自己。
So you pick a random number less than the number of results and use that as the offset in your LIMIT clause.
这样，你首先获取一个小于行数的随机数，然后根据这个便宜量使用limit得到结果。
So you pick a random number less than the number of results and use that as the offset in your LIMIT clause.
这样，你首先获取一个小于行数的随机数，然后根据这个便宜量使用limit得到结果。
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