This means that routers strip off the Ethernet header upon reception of a packet, and then add a new lower layer header-ethernet or otherwise-when the packet is forwarded.

这意味着路由器在收到数据封包时就会去除以太网的数据头信息，加上低一层的数据头信息(以太网层或者其他层的)，然后发送给下一方。

youdao

Given the high food prices around the world and the need for poor people to lower their cost of food, it just does not make sense for the Doha negotiations to founder upon this barrier.

鉴于全世界粮食价格偏高且贫困人口要求降低食品成本，如果多哈回合因这一壁垒而失败，就显得毫无疑义了。

youdao

It could also mean that a higher layer listens and ACTS upon events sent by a lower layer.

这还意味着，较高层将侦听较低层发出的事件，并据此进行操作。

youdao

So we can say that the incidence of the FTT will be upon workers in the form of lower wages, upon consumers of financial products in higher prices and that the incidence, the loss of income resulting from the tax, will be over 100%.

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Indeed, the company has relied upon lower prices as the primary incentive to lure shoppers to their offerings, including cloud services.

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Hopefully, Congress will agree upon a lower estate tax rate and a higher exemption so middle-class income and other taxpayers are more protected.

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