采礦效率不僅僅是成本問(wèn)題，更是減少環(huán)境影響的問(wèn)題。
Life is too short to stay in your comfort zone.
理解經(jīng)濟(jì)波動(dòng)的關(guān)鍵在于理解人們?nèi)绾涡纬深A(yù)期。
I have always wished for my computer to be as easy to use as my telephone; my wish has come true because I can no longer figure out how to use my telephone.
Quality should never be compromised, even when pushing for efficiency.