He does call for a cap-and-trade scheme that would reduce America's emissions by 14% from the level of 2005 by 2020 and by 83% by 2050.

他的确呼吁通过此方案的实施，到2020年，美国的排放量能在2005年的基础上减少14%，到2050年减少83%。

youdao

These might include the difference in returns between small-cap and large-cap stocks (fund managers tend to favour the former) or the level of credit spreads and so on.

大盘股同小盘股的回报差(基金经理比较喜欢前者)、息差水平等都是研究对象。

youdao

At Shell, our preference is for cap-and-trade systems that place a cap on the overall level of emissions permitted.

在壳牌，我们倾向于上限和交易(cap - and - trade)系统来为总的排放水平确定一个上限。

youdao

The appropriate level of cap will vary depending on the sector the organisation is operating in.

BBC: MONEY TALK

Whether this cap would also affect lower- and middle-income filers depends on the level of the cap.

FORBES: Capping Itemized Deductions IS Housing Policy

The risk retained by the employer depends on the level of the cap - and the extent to which it is increased each year - relative to average salary levels in the scheme.

BBC: MONEY TALK