That's the role TDD plays in controlling code quality, and enabling us to experiment with new ideas and make rapid changes to the product.

TDD在控制代码质量上就扮演这样的角色，并允许我们试验新想法，快速做出产品变更。

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A product is not quality because it is hard to make and costs a lot of money, as manufacturers typically believe. This is incompetence.

制造商典型的想法是不好的产品是因为生产难度大、成本高，这是不称职的。

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Customers still need enough information about products and services to make buying decisions, and they expect a quality product.

消费者仍然需要足够的产品与服务信息以作出购买决策，并且他们期望得到优质商品。

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And so one of the very first things I did was to make the necessary investments in product quality.

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"The draft statute will make it very easy for software publishers to disclaim all liability for the quality of their product and to provide no meaningful remedy, " Braucher wrote in an article, just published in the July issue of the UCC Bulletin, a legal newsletter.

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He picks a product or service that he thinks will make a quick profit, and sets the price as high and the quality as low as he believes the market will bear.

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