Placoderms
(placoderm 的复数) n.[古生]盾皮鱼
🗣️ 情景例句
Dad often works late,
爸爸老是工作到很晚，
It's nothing.
小事情；不足挂齿。
Such administrative overheads in a business are analogous to the cost of government in a nation.
一家企业的这种行政管理开支类似于一个国家的政府管理所用的开支。