Ifelse
如果…否则
🗣️ 情景例句
Now, how's the Stewart family?
那么， Stewart全家人都好吗？
Jack will feel sorry when she leaves.
她一走，杰克会觉得悲伤的。
I'd like to do some shopping, but not during the day.
我愿意买些东西，但不必白天去。