据这篇文章所说，我们要如何评估一件商品的价值？
How do we assess the value of a commodity, according to the passage?
一旦一件商品成为焦点，想在商店里找到它简直比大海捞针还难。
Once an article appears on the show, hunting it down in stores is harder than finding a needle in a haystack.
当你去买一件商品时，有时你会发现它没货了。
When you go to purchase an item, sometimes you may find that it's sold out.
杰克和劳拉想在一个商店买一件商品，可是他们找不到。
Jack and Laura want to buy an item at a store, but they can't find it.
一个用户买一件商品需要更少的点击数，就会有更大的回买率。
The less clicks it takes for a customer to buy a product, the higher returns.
他的重点是：一件商品的生产边际成本是零，因此价格也是零。
His central thesis: as the marginal cost of creating a product drops towards zero, its price will do the same.
一件商品的价值要由一个人为得到该商品应付多少钱来衡量。
The value of an item is a measure of what a person will sacrifice to obtain it.
专家相信色彩的诱惑让消费者的购买欲提升到买一件商品以上。
Experts believe the range of colors lures consumers into buying more than one item.
另外的一件商品杨小姐同样发现价格比实际的39元超过40元。
The other item Ms. Yang bought also turned out to be nearly 40 yuan more expensive than its price of 39 yuan.
单价是一件商品计量单位的价格，例如，一盎司、一夸脱、一磅。
The unit price is the price of an item per unit measure, for example, one ounce, one quart, one pound.
使用优惠券以折扣价买一件商品当然要比付全额要便宜，没人质疑这一点。
Buying a product at the discounted price you get with a coupon is certainly cheaper than paying full-price — no one's arguing with that concept.
基于回扣的本质，只要高于目标门槛，每增加一件商品，价格便不增反减。
It is in the nature of rebates that, just above the target threshold, the price of each additional purchase can be negative.
消费者剩余指的是消费者购买一件商品所得到价值，减去购买这件商品的费用。
Consumer surplus is the value to a consumer of consumption of a good, minus the price paid.
留意一件商品的价格，与其用途或传统观念的“价值”并无必然的直接关系。
Pay attention to the price of a commodity, its use or the traditional concept of "value" is not necessarily a direct relationship.
例如，购物车单元测试可以测试出您可能通过模型API将一件商品添加到购物车中。
For example, a shopping cart unit test might test that you can add an item to a cart through the model API.
毕竟，如果他们今年销售的每一件商品都能多挣1便士，那就是上千万英镑的利润啊。
After all, if they make an extra penny on every product they sell this year, it will mean tens of millions of pounds in extra profits.
之所以这是一个困难的决定还因为，当作为后台技术提供商时，就像出售一件商品似的。
This decision is also hard to make because when you are a backend technology provider, it's like selling a piece of commodity.
在色彩缤纷节日般的商业化气氛中，一个民族变成了一件商品，你对此怎能不感到茫然。
With all the festive colorful commercialization you felt lost in the commodification of a people.
经过一段时间后，对看来是同样的一件商品进行重新扫描，产生的激光散斑样式应该相同。
When what purports to be the same item is re-scanned at some later date, it should show the same pattern of speckle.
总之，我们所采取的每一个行动，所购买的每一件商品，不是有利于就是有害于我们的星球。
All in all, every action we take, every purchase we make, can either help our planet, or harm it.
学着做一个不错的“会比较的顾客”；那就是，你购买一件商品前在几个地方调查一下价格。
Learn to be a good "comparison shopper"; that is, check prices at several locations before you buy.
我们秉承网商诚信，产品可信，合作互信，为事守信的宗旨，用心做好每一件商品，做好每一个客户！
We uphold the integrity of network operators, product credibility, cooperation and mutual trust for the PUrpose of something trustworthy, mind to every PIece of merchandise, to make every customer!
他说：“你给人们多一个旅行用产品，或二人用的香水样品，那么他们将会多买一件商品而不是等到以后。”
"You give them an extra travel size or a couple fragrance samples, and they'll buy an extra item rather than wait until later," he said.
如果我对一件商品有兴趣，比如一辆车，我会事先上网看看大家的评论，但我不会基于广告做出购买决策的。
If Im interested in a product, a car for example, I will look at the comments on line in advance, but I dont make a decision based on an advertisement.
这只比灯泡的发明早一点，灯泡的逐渐使用始于19世纪早期，并最终在19世纪的最后二十年成为了一件商品。
That only just predated the invention of the light bulb whose first stirrings began in the early 1800s and finally became a commercial product in the last 20 years of that century.
一件商品的互补品价格上涨会增加了对于该商品的需求，相反的，一件商品的互补品价格下降会减少该商品的需求。
An increase in the price of a substitute increasesthe demand for a good, and conversely, a decrease in the price of a substitutedecreases demand for a good.
一件商品的互补品价格上涨会增加了对于该商品的需求，相反的，一件商品的互补品价格下降会减少该商品的需求。
An increase in the price of a substitute increasesthe demand for a good, and conversely, a decrease in the price of a substitutedecreases demand for a good.
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