Postage costs
[经] 邮资成本, 邮费
🧩 词语组成解析
n. 费用；诉讼费；损失（cost的复数）
🗣️ 情景例句
You live like a pig!
你简直是住在猪窝里！
He keeps on studying ecology.
他不断攻读生态学。
The police were called in, but they could not arrest anyone,
警察被召来了，但他们却不能逮捕任何人，