First, the tariffs will immediately cause sharp price increases for nonsubstitutable essential items, including staple food items, medical supplies and anything that people rely on at dollar stores.

Although an abundance of research has emerged on technology adoption and acceptance, most has examined the usage behavior of different products in isolation. The current study instead focuses on usage ...

"In the economics jargon, humans are nonsubstitutable and achieving productivity gains (doing more with less) in child care is difficult.

- 不可替代（Nonsubstitutable）：核心竞争力应当是不可替代的。 它不是那些可以轻易在市场上找到替代品的资源，而是企业独有的战略资产，为企业 ...

- 不可替代（Nonsubstitutable）：核心竞争力应当是不可替代的。 它不是那些可以轻易在市场上找到替代品的资源，而是企业独有的战略资产，为企业 ...

How and why do human systems of marriage and reproduction differ from comparable systems in other mammals? To answer these questions, we use data from 90 human societies and 49 mammalian species. We ...

It's FREE! An additional way to contain the problem is to stop wasting nearly 30% of everything, much of it irreplaceable and nonsubstitutable.

The iPhone has become a "nonsubstitutable infrastructure," columnist Michael Gartenberg says. The device and its services seem too popular with users to ever be replaced. But a challenger will one ...

As a nonsubstitutable material in the rechargeable batteries that power electric vehicles and store sun and wind power on renewable grids, lithium is an essential ingredient for the energy transition.