stepping-stone

基本解釋

The defence ministry is a parking place for weak ministers or a stepping-stone for strong ones.
國防部成了弱勢部長的停車場或是攀上高位的踏腳石。
The second application of layers acted as a stepping-stone to a final, UML package-based approach.
分層的第二項應(yīng)用是作爲最終的、基於 UML 包的方法的中間步驟。
As when youths leave home for college, the Moon can become a schooling place, a stepping-stone to the boundless horizons of human destiny.
正如大學(xué)是年輕人求知的必由之路一樣，對於整個人類而言，月球也將會成爲一個開濶眼界增長知識的新的場所，它是人類通往嶄新天地的漫漫長路中一塊踏腳石。

With those sparks, any adversity or affliction is another stepping-stone to a better life.
FORBES: While Americans Indulge In Over-Consumption, Chinese Move Up By Enduring Hardship
The defence ministry is a parking place for weak ministers or a stepping-stone for strong ones.
ECONOMIST: The war in Afghanistan
The second reason is that sequestration offers a fine stepping-stone to squeaky clean hydrogen energy.
ECONOMIST: The environment

You can describe a job or event as a stepping stone when it helps you to make progress, especially in your career.
Stepping stones are a line of large stones which you can walk on in order to cross a shallow stream or river.