Bipolarity
[机] 双极性
🗣️ 情景例句
Who is your best man?
谁是你的伴郎？
The world is a ladder for some to go up and others to go down.
世界好似一把梯，有人上去有人下。
I hope we can see each other again some time.
希望还能有相见的机会。