Positional notation
[计] 按位记数法
🧩 词语组成解析
a. 位置的, 地位的
🗣️ 情景例句
How much money are you presently earning?
你目前挣多少钱？
Arthur must send that letter soon.
亚瑟，你必须立刻投递那封信。
we are no longer free to choose the things we want,
但我们已经无法独立自主地选购自己所需的东西了。