Replaceability
更换性, 可代换性, 替换性
🗣️ 情景例句
I remember when I was pregnant with Richard.
我记得当我怀着Richard时，
Honesty may be dear bought,but can never be an ill pennyworth.
高价买诚实，永远也值得。
He gives the bank specimens of his signature,
他把自己签名的样本交给银行，