Students are normally expected to prepare work in advance for seminars and tutorials and this can take the form of researching a topic for discussion, by writing essays or by solving problems.

学生通常需要提前为研讨会和辅导课准备工作，这可以采取研究讨论主题、写论文或解决问题的形式。

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For example, the predicates of the SQL statements in your important DB2 work (see discussion above) should be a primary guide in creating the best indexes.

例如，在创建最佳索引时，应该将重要DB 2工作(请参阅前面的讨论)中sql语句的谓词作为主要指南。

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If you read a news story that relates back to a discussion from work, email the link directly to your co-worker so that the next time you see him you can carry on the discussion.

如果你读到了一篇与工作中的一次讨论有关的新闻报道，那么就将其地址直接发送给你的同事，这样下次见面你们就能继续讨论下去了。

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Sometimes on a long trip or the end of a workday, senior executives like to engage in non-work discussion.

FORBES: 11 Rules Of Thumb For Flying With The Boss

The Education seminars aim to share knowledge about current education issues, inform our work and encourage discussion.

UNESCO: Quality in educational policy: Research and foresight

North Korea agreed in principle in September to abandon its nuclear weapons program, and, for the moment, Mr. Bush seems ready to let at least a few days of diplomatic discussion work their course.

NPR: Bush, S. Korea United Against Nuclear N. Korea