Singleton substitution
[计] 唯一替换
🧩 词语组成解析
n. 一个, 独生子, 独身
substitution
[ˌsʌbsti'tju:ʃən]
n. 代替;代用;替换;<化>取代（作用）;
🗣️ 情景例句
Win a few, lose a few. that's life.
有得也有失，生活就是如此。
By little and little the wolf eateth the sheep.
狼吃羊，一只一只进肚肠。
A blurred image appears; he adds a brushstroke and another, and it is gone;
一个朦胧的形象出现在作家的脑海里，他左添一笔，右添一笔，形象反而消逝了；