Changeovers
n. （生产方法、装备等的）完全改变, （方针的）转变( changeover的复数形式 )
🗣️ 情景例句
A credit card is very useful when you go traveling.
当然旅游的时候，信用卡很有用。
Sow the wind and reap the whirlwind.
恶有恶报。
I can't believe a word you say.
我才不信你呢！