Spelaeology
洞穴学
✅ 同义词
🗣️ 情景例句
And if it's successful,
假如成功的话，
I have nothing to do with it.
那与我无关。
No necessity of making a living away from home results in neglect of children,
人们没有必要离家谋生，所以不会产生孩子无人管的问题，