Rationalness
n. rational（推理的）的变形
🗣️ 情景例句
10 percent down and the balance at the time of shipment?
百分之十付现款，余额在装运时付清吗？
It's faster to go by plane than by boat.
和坐船比，坐飞机是更快的。
Often the little words have meanings of their own.
这些小词常常都有自己本身的意思。