Optional clause
[法] 任择条款, 任意条款
🧩 词语组成解析
clause
[klɔ:z]
n. 从句，分句;条款，款项;
🗣️ 情景例句
are important for the sales of your book.
对于你这本书的销售很重要。
These clothes are very beautiful, but are too expensive.
这些衣服很漂亮，但是太贵了。
There's a possibility.
有这个可能。