如果事务日志用于备份，只在完全备份计划(每周一次)之前使用此开关。
If transaction logging is used for backups, use this switch only before the full backup schedule (once a week).
如果他抱怨说，在每周一次的洗澡时没有足够的水，那么下一次水会更少。
If he complained that there was not enough water for his weekly bath, there would be less water next time.
大多数研究这个问题的调查者得出结论大部分益处(如果那儿确实有益处)能够通过每周一个或者两次吃巧克力得到。
Most investigators who have studied this question have concluded that most of the benefit (if there indeed is a benefit) can be obtained by eating chocolate once or twice per week.
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