You'll need to know about other products, their reliability, availability and price.
你需要知道其他类似的产品、可靠性、可得性及价格。
In the past, these companies were able to charge a premium price because their brands were taken as signals of reasonable quality and reliability.
过去,这些公司能够收取较高的费用是因为他们的品牌承载了一定的质量和信赖。
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