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要把社区工作做好，协作活动是必不可少的。
Cooperative activity is essential to effective community work.
《牛津词典》
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网络化教学是依托计算机网络平台实施的一种教学协作活动。
The net-based teaching is a kind of cooperative teaching by means of network.
youdao
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网络化教学是依托计算机网络平台实施的一种教学协作活动。
The net-based teaching is a kind of cooperative teaching by means of network.
youdao