Underivative
a. 不乏独创性的,非模仿他人的
🗣️ 情景例句
autograph copies for the guests at the opening?
在展览开幕时为客人在书上亲笔签名呢
A chain is no stronger than its weakest link.
链条的坚固程度取决于它最薄弱的环节。
I can't help it.
我没办法。