Replace existing categories
[计] 替换现有分类
🧩 词语组成解析
replace
[ri(:)'pleis]
vt. 替换;代替;把…放回原位;（用…）替换;
existing
[ig'zistiŋ]
adj. 目前的;现存的;
v. 存在( exist的现在分词);持续存在;
n. 分类；类别（category的复数）
🗣️ 情景例句
Columbia? Why Columbia?
Columbia？为什么要去Columbia？
There is safety in numbers.
人多势众。
It's not as cold as it was yesterday.
今天不想昨天那么冷。