为了转换到一个支持广告的模式，它必须和一家已经有大量互动广告的公司合作。
To switch to an ad-supported model, it would have to partner with a company that already has a huge inventory of interactive ads.
利用互联网的互动功能，他们创造了标志性的合作式竞争模式。
Harnessing the interactive capabilities of the Internet, they created their hallmark collaborative competitions.
基于这样的认识，开展“互动-探究-合作”化学课堂教学模式的构建与实践研究便显现得十分重要。
Because of this recognition, it seems very important to develop an "interaction-inquiry-collaboration" construction and practical investigation of classroom chemistry teaching mode.
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