Partial substitution
其它 Other[计] 部分替换
🧩 词语组成解析
substitution
[ˌsʌbsti'tju:ʃən]
n. 代替;代用;替换;<化>取代（作用）;
🗣️ 情景例句
Are you sick?
你病了吗？
What shall I send him for his birthday?
我要送他什么东西作为生日礼物？
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。