ergo
adverb /ˈɜːɡəʊ/
/ˈerɡəʊ/
(from Latin, formal or humorous)- therefore
因此；所以 - Change from within will take too long. Ergo change must come from outside.
从内部改变需要太长时间。因此变化必须来自外部。
词源Latin. - Change from within will take too long. Ergo change must come from outside.