Didacticism
n. 教導(性), 說教(性), 教誨(性)
??? 情景例句
It's dangerous to leave your children along while you go shopping.
購物時，把你的孩子單獨留在家里是挺危險的。
There's as good fish in the sea as ever came out of it.
海里的好魚是取之不盡的。
First of all, it's been improved. And it's bigger, although it's more expensive.
首先，它已作了改進。而且機子較大，盡管價格貴些。