Aliasing
[计] 别名使用, 别名的命名
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
How much do you charge per unit?
你们每件要价多少呢？
He has no choice but to wait.
除了等待，他别无选择。