Disconfirmation
n. 不确认；失验
🗣️ 情景例句
Sure, what do you want?
可以啊。什么事
It is the first step that costs.
万事开头难。
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。