这是Google推出的一项搜索Catalog的服务
只有英文beta版
英文好的可看看以下官方说明:
About Google Catalogs
Google Catalogs helps you browse and search merchant-provided catalogs right on your computer. You can flip through any catalog to find what interests you, or simply type in what you're looking for, and you'll find every place that your search term appears in the catalog. If you're not sure what catalog to look in, just search all of the catalogs in our index.
