19世纪以前，几乎没有社会流动的渠道。
Prior to the nineteenth century, there were almost no channels of social mobility.
我们的政府已经尝试了各种渠道来筹集和积累社会保障基金。
Our government has tried various channels to raise and accumulate social security funds.
但社会媒体是一个特别的渠道。
用社会媒体渠道控制你的搜索结果。
从宏观看，渠道管理是社会流通网络的建设问题；
From macroscopical side, the channel management is a development problem of society circulation network;
二是关于如何做好社会代理渠道管理工作的问题；
Second, how about to complete the social proxy channel supervisory work the question;
二是关于如何做好社会代理渠道管理工作的问题；
Second, how about to complete the social proxy channel supervisory work the question;
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