1. Relative to average wages, they rose by more than a quarter in the OECD, a club of mostly rich countries, weighted by population.
relative to 关于…的,和…比较起来
The satellite remains in one spot relative to the earth's surface.
相对地球表面而言,这颗卫星位置固定
。2. It was not a prank when on April 1st the IMF, once famed for its austerity, floated the idea of one-off solidarity taxes on the rich and on companies.
one-off 一次性的;绝无仅有的事物
It was just a one-off; it won't happen again.
这事绝无仅有;不会再发生了
。