Many communities now have needle exchange programs, where you can get rid of used syringes and get new, sterile ones for free.
有很多社团提供针头更换项目，可以用旧针管免费换新的，消毒过的针管。
Many communities now have needle exchange programs, where you can get rid of used syringes and get new, sterile ones for free.
有很多社团提供针头更换项目，可以用旧针管免费换新的，消毒过的针管。
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