�ݺ�ߣ

Editor's Notes

1. Ԫ�󣬸�����ᣬ��ʢ����һ�𣬹�̩����ɽ�����ţ����������
2. ��һ��������Ѷ�����ݵ��ŷ�����ȡ����������ӪҵԱ�Ĺ������ʹ˸ı��µ������ѵ���ȡ����
3. But most of the research tools we can use are similar to a library. You need to find information by yourselves. After using this kind of traditional tools for years and years, we say no, we don��t want a library; we want a smart and considerate assistant like this one. OK, you can imagine one for yourself, and maybe a handsome guy.