同时，对于像照相机这样的“搜寻品”（即购买前通过考察就可以了解其质量如何的产品），消费者更容易被有专业知识的建议所打动，比如根据产品的30个方面所做的评价，而不是仅仅5个方面。
With “search goods” like cameras, consumers are more swayed by recommendations based on perceived expertise, like a review score based on 30 aspects of the product rather than 5.
这种改进的技术包括下列三个步骤：利用增强的X射线显示出藏匿的物品、利用传感技术搜寻危险化学品，并利用无线射频技术识别液态和固态物质。
There are three main approaches: enhanced x-rays to spot hidden objects, sensor technology to sniff dangerous chemicals, and radio frequencies that can identify liquids and solids.
警察在每个过路人身上搜寻禁带品。
警察在每个过路人身上搜寻禁带品。
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