Contigency
a. 预防性
🗣️ 情景例句
OK. Now, tell us about your talk with Mr. York.
好啦， 现在告诉我们你跟York先生的谈话吧。
We're aiming its price for $ 98.
我们订价为98美元。
When you place a sheet of paper in a fax machine, the machine reads the writing on the page and changes the shapes of letters into electronic signals.
当你把一张纸放进传真机里，机器就会"读"纸上的字迹，把字的形状变为电子符号。