亚马逊新开张的无人零售店带来了新的牛津热词：Checkout-free

In Seattle, tech giant Amazon has given the world Amazon Go, an automated supermarket.

在西雅图，科技巨头亚马逊已经给了世界亚马逊，一个自动化的超市。

It has also given us a basketful of new adjectives: checkout-free, as well as cashier-free and cashier-less for American English speakers and till-free and till-less for the rest of us.

它还为我们提供了一篮子新的形容词：免签、无现金、无现金的美国英语使用者，以及对我们其余人的无分和无利。

Shoppers enter the store with Amazon Go app, get the items they want, and leave.

购物者通过亚马逊Go应用进入商店，购买他们想要的商品，然后离开。

‘No lines, no checkout’, Amazon explains.

亚马逊解释说，“无需排队，无需过检”。

‘Our checkout-free shopping experience is made possible by the same types of technologies used in self-driving cars: computer vision, sensor fusion, and deep learning.

“我们的免检购物体验是由自动驾驶汽车使用的相同技术实现的：计算机视觉、传感器融合和深度学习。”

Our Just Walk Out Technology automatically detects when products are taken from or returned to the shelves and keeps track of them in a virtual cart’.

我们刚刚推出的技术会自动检测产品何时从货架上取下，并将其保存在虚拟购物车中。

Checkout-free indeed doesn’t mean checkout is free; Amazon soon after sends you the bill on your phone.

免费的结账并不意味着结账是免费的;亚马逊很快就会把账单发给你。

The technology is cutting-edge, but how we talk about it is tried and true.

技术是前沿的，但是我们如何谈论它是真实的。

The adjective free, seen in constructions ranging from guilt-free to gluten-free, has long been tacked on to words in English to express a ‘lack’ or ‘exemption’.

从guilt-free（无内疚感的）到gluten-free（不含麸质）等词，长期以来，free一直被用英语的词汇来表达“缺乏”或“豁免”。

The OED dates toll-free, for instance, to as early as 1052.

在OED中，最早的toll-free可以追溯至1052年。

The suffix -less, related to lose and loose, is similarly part of the ancient grammar of the English language.

而-less词缀与失去相关，是英语中古代语法的一部分。

As automation spreads, adjectives like checkout-free will surely be staying with us.

随着自动化的普及，像免签（checkout-free）这样的形容词肯定会得到沿用。

We’ll have to see, though, whether Amazon’s so-called Just Walk Out nomenclature will become the next takeout.

不过，我们将不得不看到，亚马逊所谓的“拿了就走”（ Just Walk Out）的命名方式是否会取代以往的外卖（takeout)的说法。