It is an important measure of establishing a fixed cohort of blood donors to guarantee supply of blood and blood quality.

建立固定自愿无偿献血者队伍是保证血液供应和血液质量的一个重要措施。

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There are some Suggestions including donating blood publicity and the service and management of blood donors on establishing and managing a fixed cohort of blood donors.

文章从无偿献血宣传、献血者服务、献血者队伍管理等方面对建立管理固定自愿无偿献血者队伍提出建议。

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Thus, if a broker at Morgan Stanley criticises a cohort at Lehman Brothers, their exchange cannot be seen by anybody outside the fixed user group but is still kept on record.

ECONOMIST: MONITOR: Instant messaging joins the firm | The