For example, in an eCommerce site, popular items might be retrieved thousands of times per hour, but the merchant might update its catalog only once a day.

例如，在一个 eCommerce 站点中，受欢迎的项目可能会有每小时上千次的检索量，而商家可能一天只更新目录一次。

youdao

In 1951, IKEA founder Ingvar Kamprad branched out beyond the basic business of mail-order Christmas tree decorations, ballpoint pens and bird seeds and added a catalog-only furniture business.

WSJ: IKEA's New Catalogs: Less Pine, More Pixels

The iBooks app also lacks any way to enter notes, and Apple's catalog at launch will only be about 60, 000 books versus more than 400, 000 for Kindle.

WSJ: iPad Opens a New Frontier

Bongeka scrunched up her cherubic face as she flipped through the clothing catalog, noting aloud that only one of the Brooks Brothers models was black.

FORBES: The Education Of Oprah Winfrey: How She Saved Her South African School