1.in the differences between ...之間的差異
Brazil offers a case study in the differences between a middle class created by the state and one that owes more to the private sector.
關于國家催生的中產階級和更多地歸功于私營領域的中產階級的種種差異,巴西提供了一個鮮活的研究案例。
2.let alone 更不必說
She can't ride a bicycle, let alone drive a car.
她連自行車都不會騎,更別說開小汽車了。
3.live on the land 居住在陸地上
We must think about the people who live on the land.
我們必須考慮一下住在這片土地上的人。