Every wheel and lever and piston suggested in the picture of the machine which links them operates inevitably to change their values, the one in terms of the other, interchangeably.

汽车图片中的车轮、控制杆和活塞相互连接，在运转的同时必然会彼此影响，改变各自的价值。

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The second lever of change that Mr Orszag says is underappreciated is an excise tax introduced on the most expensive (or “Cadillac”) insurance plans.

奥尔斯扎克所说的未得到正确评价的第二个引起变化的方法就是对最昂贵的（或是“凯迪拉克”）保险计划征收消费税。

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The second lever of change that Mr Orszag says is underappreciated is an excise tax introduced on the most expensive (or "Cadillac") insurance plans.

奥尔·斯扎克所说的未得到正确评价的第二个引起变化的方法就是对最昂贵的(或是“凯迪拉克”)保险计划征收消费税。

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Testing was also used as a lever to change teaching methods and to tie teachers to the new national curriculum.

BBC: Signs of a turning tide on tests

"No-one in government should be contemplating standing by and watching as some schools fail in order to use it as a lever of change, " he said.

BBC: ASCL says opening free schools may be waste of money

This focused collaboration is a key lever for driving change.

WHITEHOUSE: "Doing What Works" Transcript