secretiveness
n. 隱匿,分泌
If you are secretive, you like to have secrets and to keep your knowledge, feelings, or intentions hidden.
Billionaires are usually fairly secretive about the exact amount that they're worth.
億萬富翁通常對自己身家的確切數目諱莫如深。
...the secretive world of spying.
不為人知的間諜界
1. characterized by a lack of openness (especially about one's actions or purposes)
2. the trait of keeping things secret
He was evasive, to the point of secretiveness.
他含糊其辭,讓人覺得有意隱瞞。
Given that secretiveness, I'm not potential investors were at the time.
《滾雪球》談到,巴菲特絕對控制金錢, 不給合夥人說任何投資資訊.他們只是得到了年度總結.