Students have to pay for the loan by getting extra marks in future exams.
学生必须通过在未来的考试中获得额外的分数来偿还贷款。
You roll up your sleeve and concentrate on those extra marks you're going to receive as result of participating in this experiment.
你卷起了袖子准备用心留意将出现的特别迹象它们将决定你参加此次试验的结果。
Other features, like multiple MAIL.BOX databases, eliminating the extra overhead of unread marks, and transaction logging have also improved performance.
其他特性(比如多 MAIL.BOX 数据库)消除了未读标记带来的额外开销,并且通过事务日志改进了性能。
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