Endogenous
a. 内源的\\n[医] 内生的, 内原的
✅ 同义词
🗣️ 情景例句
What's for dinner?
这顿晚饭吃什么？
The mountains have brought forth a mouse.
大山生小鼠（指：费力大而收效小）。
but custom, we have a way of thinking, is behaviour at its most commonplace.
至于风俗呢，只是些司空见惯的行为而已。