Freakonomics
[电影]魔鬼经济学
🗣️ 情景例句
It took years of hard work.
那需要多年辛苦工作。
Adversity is a good discipline.
苦难是磨练人的好机会。
Because the Moon has only an eightieth of the Earth's mass,
因为月球的重量只有地球的1/8，