应加大无偿献血安全的宣传力度。
So we should increase propagandizing for the safety of blood donors.
这一天是由世界卫生大会选定的，以便通过自愿无偿献血促进普遍获得安全血液。
This day has been chosen by the World Health Assembly to promote universal access to safe blood through voluntary unpaid blood donation.
需要充足数量的健康人经常献血，以确保随时随地需要时可获得安全血液。
Regular blood donations by a sufficient number of healthy people is needed to ensure that safe blood will be available whenever and wherever it is needed.
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