Contrapositive rule
[計] 倒置規則
?? 詞語組成解析
a. 對照的, 針對的\\n[計] 逆反式的, 倒置的
rule
[ru:l]
n. 規則，規定;統治，支配;章程;
vt.& vi. 控制，支配;判定;裁定，裁決;價格穩定;
vt. 統治;規定;管理;裁決;
vi. 統治;管轄;裁定;
??? 情景例句
used for new books
被用來購買新書
I guess you're right. It seems I'll be grounded.
我想你說得對，我看我該轉到地勤了。
In time, it became an accepted fact the Cox brothers employed a conscientious ghost that did most of their work for them.
隨著時間的流逝，考科斯兄弟雇了一個盡心盡責的鬼，他們家的活大部分都讓鬼給干了，這件事成了公認的事實。