Economic effectiveness
[化] 经济效益
🧩 词语组成解析
effectiveness
[i'fektivnis]
n. 有效，有力;有效性;效益;效用;
🗣️ 情景例句
But we can't do it without talking to the young people.
但我们不能在没有跟年轻人谈谈的情 下就去做。
Books,like friends,should be few and well chosen.
书籍如朋友，宜少宜精选。
What's that in your hand?
你手里拿的是什么？