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。
2
The second lever of change that Mr Orszag says is underappreciated is an excise tax introduced on the most expensive (or “Cadillac”) insurance plans.