大部分参与者为白人，年龄超过50岁。

Most participants were white and older than 50 years.

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部分参与者可存储同步所需的元数据，但不能处理它。

A Partial Participant can store the metadata needed for synchronization, but has no ability to process it.

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在此期间，我注意到部分参与者的两种完全相反的态度。

During these events, I noticed two types of diametrically-opposed attitudes on the part of participants.

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