If you have to cover 12 chapters in American history, begin by planning on three two-hour reviews with four chapters per session.

如果你必须涵盖美国史的12个章节，首先计划3次2小时的复习，每次4章。

《柯林斯英汉双解大词典》

The following Settings are per session.

下面这些设置针对于每个会话。

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Once you register, you will have four hours per session.

一旦您注册了，每一个会话有四个小时。

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With prices ranging between 3 to 10 euros per session, this can be an expensive business.

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This amounted to just 60 seconds of exercise per session, with three sessions being completed each week.

BBC: Exercising

For instance, he knows that people read more digitally but less per session (an average of 8 pages).

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