1950年代，国际开发领域的人们首次进行了正式、非正式、非正规学习的区分。
The distinctions between formal, informal, and non-formal were first developed in the 1950s by people working in the area of international development.
OLS是一个着眼于建立“社群软件”的研究计划，让非正规学习社群利用现存公开的教材而组织起来。
OLS is a research project that is focused on building "social software" that enables informal learning communities to form around existing open educational content.
剩余劳动力处于非正规经济当中，或是那11%既没学习又没工作的年轻人。
The rest Labour in the informal economy, or are among the 11% of youths who neither study nor work.
也许我参加过一些课程，进修班，或者这里的那里的研讨会，但是我最大块儿的学习是非正规的，主要是在网络上。这让我想起这些日子里为了学习我使用的最多的那些工具。
Maybe I've attended a class, workshop, or conference here or there, but the biggest chunk of my learning has happened informally, and mostly on the Web.
也许我参加过一些课程，进修班，或者这里的那里的研讨会，但是我最大块儿的学习是非正规的，主要是在网络上。这让我想起这些日子里为了学习我使用的最多的那些工具。
Maybe I've attended a class, workshop, or conference here or there, but the biggest chunk of my learning has happened informally, and mostly on the Web.
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