Every chemical combination is wholly and solely dependent on two opposing forces, positive and negative electricity.
每一種化學(xué)結(jié)合完全且僅僅依賴于兩種對立的力量，即正電和負(fù)電。
The relationship between wages and employment is not as straightforward as some models suggest.
點擊化學(xué)不僅是一種方法，更是一種追求合成簡單和可靠的哲學(xué)。
"Pressure is a privilege—it only comes to those who earn it."