Disinvolvement
n. 撤销在政治、军事卷入中所承担的义务(的行动或过程)
🗣️ 情景例句
I'm twenty-nine.
我二十九岁。
It takes all sorts to make a world.
万千事物，形成世界。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。