Defence program
un. 保护程序
🧩 词语组成解析
🗣️ 情景例句
I want to cash this check, please.
我想把这张支票换成现金。
To fly
飞
The conditions of society are such that skills have to be paid for in the same way that goods are paid for at a shop.
社会上的情况就是如此，技术是必须付钱去买的，就像在商店里要花钱买商品一样。