These companies not only rigorously segment their markets by income level, they also lead consumers up the value chain as they become richer.

在严格地依据收入水平划分市场的同时，引导顾客消费高档产品。

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As it travels through various points of the supply chain, there are possibilities of this food being exposed to temperatures or other factors that could lead to its contamination.

由于这些蔬菜水果会经过供应链的各个节点，暴露在常温下或者其它因素会导致污染。

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This may lead to a chain of backup images as shown in Figure 2.

这将导致如图2所示的备份映像链。

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A few years ago, OhioHealth,a hospital chain, decided to help its overweight employees slim down and lead a healthier life style.

VOA: standard.2010.07.16

Probably his next most familiar passage is his Broken Window Fallacy, whereby a broken window caused by a thrown brick would lead to a chain of new spending that would stimulate the economy.

FORBES: Happy Birthday Frederic Bastiat

The report asserts that the progressive unraveling of entire marine ecosystems up and down the food chain could lead to the "collapse" of all commercial species, possibly by the middle of this century.

CNN: Highlights from the world's press

Instead of looking at a single gene or protein in isolation, researchers may one day study all of them at once to understand how the body functions and how things go wrong, charting for the first time the intricate biochemical chain reactions that lead to heart disease, diabetes or schizophrenia--and gaining astonishing insights into cures.

FORBES: Innovators