Perfect competition
[经] 完全竞争
🧩 词语组成解析
🗣️ 情景例句
Honey, if there were any problems,
亲爱的， 假如有事的话，
Money is the root of evil.
金钱是罪恶的根源。
Three months passed, and then one morning, Sam found his wallet outside his front door.
3个月过去了，后来在一天早晨，萨姆在自己的大门外发现了他的钱包。