The Web provides an excellent way to find information fast.
网络为快速查找信息提供了一种极好的方法。
While Knuth has justly warned that "premature optimization is the root of all evil," the whole point of an index is to find information fast, so this column addresses performance issues as well.
尽管Knuth曾经忠告我们：“不成熟的优化是问题的根源”，但索引的目的在于快速地找到信息，因此本专栏同时也将讨论性能问题。
Fast food restaurants don't usually give you the full ingredients, but you'll find some useful information like sugar, fat and calorie content.
快餐店通常不会给你所有的成分信息，但你能发现一些有用的信息，比如糖、脂肪和卡路里含量。
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