Optional nature
[法] 任择性, 非强制性, 任意性
🧩 词语组成解析
🗣️ 情景例句
the girl he was in love with in college married someone else.
他大学时代所爱的女孩跟别人结婚了。
This is a desk.
这是一张桌子。
No creature has received more praise and abuse than the common garden snail.
没有一种生物所受到的赞美和厌恶会超过花园里常见的蜗牛了。