The bill aims to cut 2005 emissions levels by 17% by 2020 and has at its core a cap-and-trade system that calls for mandatory caps on greenhouse gas emissions.

这项法案意在到2020年之前将温室气体排放量从2005年水平上削减17%，而它的核心是cap - and - trade(排放限制与额度交易)体系，这个体系要求对温室气体排放施加强制性限额。

youdao

The first-cut model should probably focus on the core functional requirements, with additional use cases added later to support the nonfunctional aspects.

首个模型应该重点关注于核心的功能需求，而后来添加的附加用例则用于支持非功能性的方面。

youdao

If you don't need to keep the apple whole, cut the apple in half and remove the core from each half using a melon baller or a spoon.

如果你不需要整个苹果，那就将苹果切成两半，用搓球机或勺子分别挖掉各半苹果的核。

youdao

If we assume most cities and states will at some point refuse to cut into the core public curriculum and also will not allow education costs to continually outpace inflation, the system is left only with the option of increasing productivity.

FORBES: Defining Performance In Disruptive Innovation

On Tuesday, shifting its focus from the weaker parts of the euro zone to the core, it cut the credit ratings of six German banks due to potential contagion from the rest of the financial system.

WSJ: European Banks��Large and Small��Rely on ECB

Schools will either have to cut from the core curriculum, increase spending or grow more productive.

FORBES: Defining Performance In Disruptive Innovation