Estrangedness
n. 疏远, 离间
🗣️ 情景例句
He did it as a special favor.
他做这事算是特别照顾。
He is not in now.
他现在不在这里。
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。