Unless you've got a couple of friends who are super-serious about getting down to business, stay away from group study sessions because they tend to get off-topic pretty quickly.

除非你有几个学习态度超级认真的朋友，否则请远离小组学习。因为这些人很快就会偏离主题。

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De Luca uses ooVoo for group study sessions and to demonstrate hair and makeup styles to her friends.

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Working group sessions and study visits were held with the outcomes to be published in a report.

UNESCO: Education