This table will give you some idea of how levels of ability in a foreign language can be measured.

这个表格将告诉你一些如何衡量外语能力级别的大致信息。

《柯林斯英汉双解大词典》

James Heckman, the Nobel Prize-winning economist, has examined how the returns on education break down for individuals with different backgrounds and levels of ability.

诺贝尔经济学奖得主詹姆斯·赫克曼（James Heckman）研究了不同背景和能力水平的个人得到的教育收益有何不同。

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Our courses cater for different levels of ability.

我们的课程可以满足不同能力水平的需要。

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Sir Mike Tomlinson's report in October 2004 proposed that GCSEs, A-levels and vocational qualifications should evolve over 10 years into a new diploma system catering for students at all levels of ability.

BBC: NEWS | UK | Education | Q&A: Exam changes

This hones some regions to levels of superior ability, while others fall by the wayside.

ECONOMIST: Autism

Downhill Adventures provides a specialist biking guide for the two-wheel scramble, making the ride suitable for all levels of fitness and ability.

BBC: Cape Town��s outdoor adventures