Commutableness
n. commutable的变形
🗣️ 情景例句
When you feel your life is threatened, just dial 999 to get help.
当你的生命受到威胁的时候，拨打 999 求救。
The early bird catches the worm.
捷足先登。
I wish I had never met you.
我真后悔这辈子遇到你！