1. One of the largest segments of the service industry, although largely unrecognised as an entity in some of these countries, is travel and tourism. 虽然在其中一些国家中，旅游和旅游业的实体地位在很大程度上未被认可，但它是服务业最大的一个组成部分。
2. He is believed to have worked unrecognised as a doorman at East End clubs. 据信他在伦敦东区的夜总会当过看门人而没被认出来。
3. This setting enables IIS to map all unrecognised application requests to (in our instance) the ASP. 此设置可以让IIS以地图的所有未确认的申请要求（例如在我们的）的ASP。
4. They found there was an 'unrecognised risk of acidic flavouring in sugar-free candies and beverages.' 他们发现无糖糖果和饮料中有一种目前还无法确认其危害的酸性食品调味剂。
5. New scientific techniques have uncovered evidence that this picture is a previously unrecognised work by Leonardo da Vinci. 新的科学技术证明了这张画是一张之前一直未经专家辩识的达芬奇真迹。
