众多商业性信息机构加入信息资源的开发服务行列，给图书馆带来了新的挑战和必须的观念变革。
Many commercial information organizations join the service ranks of information resource exploitation, which has brought new challenges to the library, and the library must change its idea.
众多商业性信息机构加入信息资源的开发服务行列，给图书馆带来了新的挑战和必须的观念变革。
Many commercial information organizations join the service ranks of information resource exploitation, which has brought new challenges to the library, and the library must change its idea.
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