The minerals we extract today must serve the needs of future generations as well.
我們今天開采的礦物也必須服務(wù)于后代的需求。
沒有執(zhí)行的創(chuàng)新只是空想。
States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
He who knows only his side of the case knows little of that.
數(shù)學(xué)是給不同事物起相同名稱的藝術(shù)。
Challenges are opportunities in disguise—embrace them.