Differences
n. 偏差, 差异（difference复数形式）
🗣️ 情景例句
Thank you. Good-bye. Bye, Gerald.
谢谢。再见。Gerald 再见。
If I wanted to rent a van, how much would it cost?
要是我租一辆搬运车，得花多少钱？
Work on it had begun before my sister left.
这栋房子在我姐姐离开之前就已动工了，