名詞 corollary:

1. a practical consequence that follows naturally
2. (logic) an inference that follows directly from the proof of another proposition

1. Neither of them know about it, and the corollary of that is that someone else revealed the secret.
   他們兩人并不知道這回事，因此一定是另外有人泄露了秘密
2. Neither of them knew about it, and the corollary of that is that someone else revealed the secret.
   他們兩人并不知道這回事，因此一定是另外有人泄露了秘密。

cor.ol.lar.y

n.（名詞）
【復數(shù)】 cor.ol.lar.ies 縮寫 corol.
A proposition that follows with little or no proof required from one already proven.
系定理：隨著剛已證明的命題而來因而需要很少或不需證據(jù)而得的命題
A deduction or an inference.
推論：推論或結(jié)論
A natural consequence or effect; a result.
結(jié)果：一種自然的后果或效果；結(jié)果
adj.（形容詞）
Consequent; resultant.
隨之而來的；結(jié)果的

來源：
Middle English corolarie
中古英語 corolarie
from Latin coroll3rium [money paid for a garland, gratuity]
源自 拉丁語 coroll3rium [花錢買花環(huán)，賞金]
from corolla [small garland] * see corolla
源自 corolla [小花環(huán)] *參見 corolla